18835830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 96

約数和(自身を含む): 55901664

約数和(自身を除く): 37065834

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 947, 1105, 1170, 1326, 1530, 1894, 1989, 2210, 2841, 3315, 3978, 4735, 5682, 6630, 8523, 9470, 9945, 12311, 14205, 16099, 17046, 19890, 24622, 28410, 32198, 36933, 42615, 48297, 61555, 73866, 80495, 85230, 96594, 110799, 123110, 144891, 160990, 184665, 209287, 221598, 241485, 289782, 369330, 418574, 482970, 553995, 627861, 724455, 1046435, 1107990, 1255722, 1448910, 1883583, 2092870, 3139305, 3767166, 6278610, 9417915, 18835830]

約数ペア:

[(1, 18835830), (2, 9417915), (3, 6278610), (5, 3767166), (6, 3139305), (9, 2092870), (10, 1883583), (13, 1448910), (15, 1255722), (17, 1107990), (18, 1046435), (26, 724455), (30, 627861), (34, 553995), (39, 482970), (45, 418574), (51, 369330), (65, 289782), (78, 241485), (85, 221598), (90, 209287), (102, 184665), (117, 160990), (130, 144891), (153, 123110), (170, 110799), (195, 96594), (221, 85230), (234, 80495), (255, 73866), (306, 61555), (390, 48297), (442, 42615), (510, 36933), (585, 32198), (663, 28410), (765, 24622), (947, 19890), (1105, 17046), (1170, 16099), (1326, 14205), (1530, 12311), (1894, 9945), (1989, 9470), (2210, 8523), (2841, 6630), (3315, 5682), (3978, 4735)]