18077930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 37156320

約数和(自身を除く): 19078390

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 563, 845, 1126, 1235, 1690, 2470, 2815, 3211, 5630, 6422, 7319, 10697, 14638, 16055, 21394, 32110, 36595, 53485, 73190, 95147, 106970, 139061, 190294, 278122, 475735, 695305, 951470, 1390610, 1807793, 3615586, 9038965, 18077930]

約数ペア:

[(1, 18077930), (2, 9038965), (5, 3615586), (10, 1807793), (13, 1390610), (19, 951470), (26, 695305), (38, 475735), (65, 278122), (95, 190294), (130, 139061), (169, 106970), (190, 95147), (247, 73190), (338, 53485), (494, 36595), (563, 32110), (845, 21394), (1126, 16055), (1235, 14638), (1690, 10697), (2470, 7319), (2815, 6422), (3211, 5630)]