17886180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 56335104

約数和(自身を除く): 38448924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 997, 1196, 1380, 1495, 1794, 1994, 2990, 2991, 3588, 3988, 4485, 4985, 5980, 5982, 8970, 9970, 11964, 12961, 14955, 17940, 19940, 22931, 25922, 29910, 38883, 45862, 51844, 59820, 64805, 68793, 77766, 91724, 114655, 129610, 137586, 155532, 194415, 229310, 259220, 275172, 298103, 343965, 388830, 458620, 596206, 687930, 777660, 894309, 1192412, 1375860, 1490515, 1788618, 2981030, 3577236, 4471545, 5962060, 8943090, 17886180]

約数ペア:

[(1, 17886180), (2, 8943090), (3, 5962060), (4, 4471545), (5, 3577236), (6, 2981030), (10, 1788618), (12, 1490515), (13, 1375860), (15, 1192412), (20, 894309), (23, 777660), (26, 687930), (30, 596206), (39, 458620), (46, 388830), (52, 343965), (60, 298103), (65, 275172), (69, 259220), (78, 229310), (92, 194415), (115, 155532), (130, 137586), (138, 129610), (156, 114655), (195, 91724), (230, 77766), (260, 68793), (276, 64805), (299, 59820), (345, 51844), (390, 45862), (460, 38883), (598, 29910), (690, 25922), (780, 22931), (897, 19940), (997, 17940), (1196, 14955), (1380, 12961), (1495, 11964), (1794, 9970), (1994, 8970), (2990, 5982), (2991, 5980), (3588, 4985), (3988, 4485)]