18241330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 35990784

約数和(自身を除く): 17749454

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 163, 190, 310, 326, 361, 589, 722, 815, 1178, 1630, 1805, 2945, 3097, 3610, 5053, 5890, 6194, 10106, 11191, 15485, 22382, 25265, 30970, 50530, 55955, 58843, 96007, 111910, 117686, 192014, 294215, 480035, 588430, 960070, 1824133, 3648266, 9120665, 18241330]

約数ペア:

[(1, 18241330), (2, 9120665), (5, 3648266), (10, 1824133), (19, 960070), (31, 588430), (38, 480035), (62, 294215), (95, 192014), (155, 117686), (163, 111910), (190, 96007), (310, 58843), (326, 55955), (361, 50530), (589, 30970), (722, 25265), (815, 22382), (1178, 15485), (1630, 11191), (1805, 10106), (2945, 6194), (3097, 5890), (3610, 5053)]