19998582978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{44449}}^1$

素因数の和:44883

約数の個数: 64

約数和(自身を含む): 46316188800

約数和(自身を除く): 26317605822

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 401, 561, 802, 1122, 1203, 2406, 4411, 6817, 8822, 13233, 13634, 20451, 26466, 40902, 44449, 74987, 88898, 133347, 149974, 224961, 266694, 449922, 488939, 755633, 977878, 1466817, 1511266, 2266899, 2933634, 4533798, 8311963, 16623926, 17824049, 24935889, 35648098, 49871778, 53472147, 106944294, 196064539, 303008833, 392129078, 588193617, 606017666, 909026499, 1176387234, 1818052998, 3333097163, 6666194326, 9999291489, 19998582978]

約数ペア:

[(1, 19998582978), (2, 9999291489), (3, 6666194326), (6, 3333097163), (11, 1818052998), (17, 1176387234), (22, 909026499), (33, 606017666), (34, 588193617), (51, 392129078), (66, 303008833), (102, 196064539), (187, 106944294), (374, 53472147), (401, 49871778), (561, 35648098), (802, 24935889), (1122, 17824049), (1203, 16623926), (2406, 8311963), (4411, 4533798), (6817, 2933634), (8822, 2266899), (13233, 1511266), (13634, 1466817), (20451, 977878), (26466, 755633), (40902, 488939), (44449, 449922), (74987, 266694), (88898, 224961), (133347, 149974)]