18389910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39670890

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 419, 462, 570, 627, 665, 770, 798, 838, 1045, 1155, 1254, 1257, 1330, 1463, 1995, 2090, 2095, 2310, 2514, 2926, 2933, 3135, 3990, 4190, 4389, 4609, 5866, 6270, 6285, 7315, 7961, 8778, 8799, 9218, 12570, 13827, 14630, 14665, 15922, 17598, 21945, 23045, 23883, 27654, 29330, 32263, 39805, 43890, 43995, 46090, 47766, 55727, 64526, 69135, 79610, 87571, 87990, 96789, 111454, 119415, 138270, 161315, 167181, 175142, 193578, 238830, 262713, 278635, 322630, 334362, 437855, 483945, 525426, 557270, 612997, 835905, 875710, 967890, 1225994, 1313565, 1671810, 1838991, 2627130, 3064985, 3677982, 6129970, 9194955, 18389910]

約数ペア:

[(1, 18389910), (2, 9194955), (3, 6129970), (5, 3677982), (6, 3064985), (7, 2627130), (10, 1838991), (11, 1671810), (14, 1313565), (15, 1225994), (19, 967890), (21, 875710), (22, 835905), (30, 612997), (33, 557270), (35, 525426), (38, 483945), (42, 437855), (55, 334362), (57, 322630), (66, 278635), (70, 262713), (77, 238830), (95, 193578), (105, 175142), (110, 167181), (114, 161315), (133, 138270), (154, 119415), (165, 111454), (190, 96789), (209, 87990), (210, 87571), (231, 79610), (266, 69135), (285, 64526), (330, 55727), (385, 47766), (399, 46090), (418, 43995), (419, 43890), (462, 39805), (570, 32263), (627, 29330), (665, 27654), (770, 23883), (798, 23045), (838, 21945), (1045, 17598), (1155, 15922), (1254, 14665), (1257, 14630), (1330, 13827), (1463, 12570), (1995, 9218), (2090, 8799), (2095, 8778), (2310, 7961), (2514, 7315), (2926, 6285), (2933, 6270), (3135, 5866), (3990, 4609), (4190, 4389)]