19847970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 57542400

約数和(自身を除く): 37694430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 53, 54, 57, 73, 90, 95, 106, 114, 135, 146, 159, 171, 190, 219, 265, 270, 285, 318, 342, 365, 438, 477, 513, 530, 570, 657, 730, 795, 855, 954, 1007, 1026, 1095, 1314, 1387, 1431, 1590, 1710, 1971, 2014, 2190, 2385, 2565, 2774, 2862, 3021, 3285, 3869, 3942, 4161, 4770, 5035, 5130, 6042, 6570, 6935, 7155, 7738, 8322, 9063, 9855, 10070, 11607, 12483, 13870, 14310, 15105, 18126, 19345, 19710, 20805, 23214, 24966, 27189, 30210, 34821, 37449, 38690, 41610, 45315, 54378, 58035, 62415, 69642, 73511, 74898, 90630, 104463, 116070, 124830, 135945, 147022, 174105, 187245, 208926, 220533, 271890, 348210, 367555, 374490, 441066, 522315, 661599, 735110, 1044630, 1102665, 1323198, 1984797, 2205330, 3307995, 3969594, 6615990, 9923985, 19847970]

約数ペア:

[(1, 19847970), (2, 9923985), (3, 6615990), (5, 3969594), (6, 3307995), (9, 2205330), (10, 1984797), (15, 1323198), (18, 1102665), (19, 1044630), (27, 735110), (30, 661599), (38, 522315), (45, 441066), (53, 374490), (54, 367555), (57, 348210), (73, 271890), (90, 220533), (95, 208926), (106, 187245), (114, 174105), (135, 147022), (146, 135945), (159, 124830), (171, 116070), (190, 104463), (219, 90630), (265, 74898), (270, 73511), (285, 69642), (318, 62415), (342, 58035), (365, 54378), (438, 45315), (477, 41610), (513, 38690), (530, 37449), (570, 34821), (657, 30210), (730, 27189), (795, 24966), (855, 23214), (954, 20805), (1007, 19710), (1026, 19345), (1095, 18126), (1314, 15105), (1387, 14310), (1431, 13870), (1590, 12483), (1710, 11607), (1971, 10070), (2014, 9855), (2190, 9063), (2385, 8322), (2565, 7738), (2774, 7155), (2862, 6935), (3021, 6570), (3285, 6042), (3869, 5130), (3942, 5035), (4161, 4770)]