19723132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 43020432

約数和(自身を除く): 23297300

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 41, 44, 52, 58, 82, 116, 143, 164, 286, 319, 377, 451, 533, 572, 638, 754, 841, 902, 1066, 1189, 1276, 1508, 1682, 1804, 2132, 2378, 3364, 4147, 4756, 5863, 8294, 9251, 10933, 11726, 13079, 15457, 16588, 18502, 21866, 23452, 26158, 30914, 34481, 37004, 43732, 52316, 61828, 68962, 120263, 137924, 170027, 240526, 340054, 379291, 448253, 481052, 680108, 758582, 896506, 1517164, 1793012, 4930783, 9861566, 19723132]

約数ペア:

[(1, 19723132), (2, 9861566), (4, 4930783), (11, 1793012), (13, 1517164), (22, 896506), (26, 758582), (29, 680108), (41, 481052), (44, 448253), (52, 379291), (58, 340054), (82, 240526), (116, 170027), (143, 137924), (164, 120263), (286, 68962), (319, 61828), (377, 52316), (451, 43732), (533, 37004), (572, 34481), (638, 30914), (754, 26158), (841, 23452), (902, 21866), (1066, 18502), (1189, 16588), (1276, 15457), (1508, 13079), (1682, 11726), (1804, 10933), (2132, 9251), (2378, 8294), (3364, 5863), (4147, 4756)]