18149820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23269}}^1$

素因数の和:23294

約数の個数: 48

約数和(自身を含む): 54731040

約数和(自身を除く): 36581220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23269, 46538, 69807, 93076, 116345, 139614, 232690, 279228, 302497, 349035, 465380, 604994, 698070, 907491, 1209988, 1396140, 1512485, 1814982, 3024970, 3629964, 4537455, 6049940, 9074910, 18149820]

約数ペア:

[(1, 18149820), (2, 9074910), (3, 6049940), (4, 4537455), (5, 3629964), (6, 3024970), (10, 1814982), (12, 1512485), (13, 1396140), (15, 1209988), (20, 907491), (26, 698070), (30, 604994), (39, 465380), (52, 349035), (60, 302497), (65, 279228), (78, 232690), (130, 139614), (156, 116345), (195, 93076), (260, 69807), (390, 46538), (780, 23269)]