19440804

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27128796

約数列:

[1, 2, 3, 4, 6, 12, 89, 109, 167, 178, 218, 267, 327, 334, 356, 436, 501, 534, 654, 668, 1002, 1068, 1308, 2004, 9701, 14863, 18203, 19402, 29103, 29726, 36406, 38804, 44589, 54609, 58206, 59452, 72812, 89178, 109218, 116412, 178356, 218436, 1620067, 3240134, 4860201, 6480268, 9720402, 19440804]

約数ペア:

[(1, 19440804), (2, 9720402), (3, 6480268), (4, 4860201), (6, 3240134), (12, 1620067), (89, 218436), (109, 178356), (167, 116412), (178, 109218), (218, 89178), (267, 72812), (327, 59452), (334, 58206), (356, 54609), (436, 44589), (501, 38804), (534, 36406), (654, 29726), (668, 29103), (1002, 19402), (1068, 18203), (1308, 14863), (2004, 9701)]