18885609820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{35963}}^1$

素因数の和:36032

約数の個数: 144

約数和(自身を含む): 51429095424

約数和(自身を除く): 32543485604

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 605, 620, 682, 770, 847, 868, 1085, 1210, 1364, 1540, 1694, 1705, 2170, 2387, 2420, 3388, 3410, 3751, 4235, 4340, 4774, 6820, 7502, 8470, 9548, 11935, 15004, 16940, 18755, 23870, 26257, 35963, 37510, 47740, 52514, 71926, 75020, 105028, 131285, 143852, 179815, 251741, 262570, 359630, 395593, 503482, 525140, 719260, 791186, 1006964, 1114853, 1258705, 1582372, 1977965, 2229706, 2517410, 2769151, 3955930, 4351523, 4459412, 5034820, 5538302, 5574265, 7803971, 7911860, 8703046, 11076604, 11148530, 12263383, 13845755, 15607942, 17406092, 21757615, 22297060, 24526766, 27691510, 30460661, 31215884, 39019855, 43515230, 49053532, 55383020, 60921322, 61316915, 78039710, 85843681, 87030460, 121842644, 122633830, 134897213, 152303305, 156079420, 171687362, 245267660, 269794426, 304606610, 343374724, 429218405, 539588852, 609213220, 674486065, 858436810, 944280491, 1348972130, 1716873620, 1888560982, 2697944260, 3777121964, 4721402455, 9442804910, 18885609820]

約数ペア:

[(1, 18885609820), (2, 9442804910), (4, 4721402455), (5, 3777121964), (7, 2697944260), (10, 1888560982), (11, 1716873620), (14, 1348972130), (20, 944280491), (22, 858436810), (28, 674486065), (31, 609213220), (35, 539588852), (44, 429218405), (55, 343374724), (62, 304606610), (70, 269794426), (77, 245267660), (110, 171687362), (121, 156079420), (124, 152303305), (140, 134897213), (154, 122633830), (155, 121842644), (217, 87030460), (220, 85843681), (242, 78039710), (308, 61316915), (310, 60921322), (341, 55383020), (385, 49053532), (434, 43515230), (484, 39019855), (605, 31215884), (620, 30460661), (682, 27691510), (770, 24526766), (847, 22297060), (868, 21757615), (1085, 17406092), (1210, 15607942), (1364, 13845755), (1540, 12263383), (1694, 11148530), (1705, 11076604), (2170, 8703046), (2387, 7911860), (2420, 7803971), (3388, 5574265), (3410, 5538302), (3751, 5034820), (4235, 4459412), (4340, 4351523), (4774, 3955930), (6820, 2769151), (7502, 2517410), (8470, 2229706), (9548, 1977965), (11935, 1582372), (15004, 1258705), (16940, 1114853), (18755, 1006964), (23870, 791186), (26257, 719260), (35963, 525140), (37510, 503482), (47740, 395593), (52514, 359630), (71926, 262570), (75020, 251741), (105028, 179815), (131285, 143852)]