20190215916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{65267}}^1$

素因数の和:65951

約数の個数: 72

約数和(自身を含む): 55046247984

約数和(自身を除く): 34856032068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 661, 1322, 1983, 2644, 3966, 5949, 7932, 8593, 11898, 17186, 23796, 25779, 34372, 51558, 65267, 77337, 103116, 130534, 154674, 195801, 261068, 309348, 391602, 587403, 783204, 848471, 1174806, 1696942, 2349612, 2545413, 3393884, 5090826, 7636239, 10181652, 15272478, 30544956, 43141487, 86282974, 129424461, 172565948, 258848922, 388273383, 517697844, 560839331, 776546766, 1121678662, 1553093532, 1682517993, 2243357324, 3365035986, 5047553979, 6730071972, 10095107958, 20190215916]

約数ペア:

[(1, 20190215916), (2, 10095107958), (3, 6730071972), (4, 5047553979), (6, 3365035986), (9, 2243357324), (12, 1682517993), (13, 1553093532), (18, 1121678662), (26, 776546766), (36, 560839331), (39, 517697844), (52, 388273383), (78, 258848922), (117, 172565948), (156, 129424461), (234, 86282974), (468, 43141487), (661, 30544956), (1322, 15272478), (1983, 10181652), (2644, 7636239), (3966, 5090826), (5949, 3393884), (7932, 2545413), (8593, 2349612), (11898, 1696942), (17186, 1174806), (23796, 848471), (25779, 783204), (34372, 587403), (51558, 391602), (65267, 309348), (77337, 261068), (103116, 195801), (130534, 154674)]