19459220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 48698496

約数和(自身を除く): 29239276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 121, 170, 172, 187, 215, 220, 242, 340, 374, 430, 473, 484, 605, 731, 748, 860, 935, 946, 1210, 1331, 1462, 1870, 1892, 2057, 2365, 2420, 2662, 2924, 3655, 3740, 4114, 4730, 5203, 5324, 6655, 7310, 8041, 8228, 9460, 10285, 10406, 13310, 14620, 16082, 20570, 20812, 22627, 26015, 26620, 32164, 40205, 41140, 45254, 52030, 57233, 80410, 88451, 90508, 104060, 113135, 114466, 160820, 176902, 226270, 228932, 286165, 353804, 442255, 452540, 572330, 884510, 972961, 1144660, 1769020, 1945922, 3891844, 4864805, 9729610, 19459220]

約数ペア:

[(1, 19459220), (2, 9729610), (4, 4864805), (5, 3891844), (10, 1945922), (11, 1769020), (17, 1144660), (20, 972961), (22, 884510), (34, 572330), (43, 452540), (44, 442255), (55, 353804), (68, 286165), (85, 228932), (86, 226270), (110, 176902), (121, 160820), (170, 114466), (172, 113135), (187, 104060), (215, 90508), (220, 88451), (242, 80410), (340, 57233), (374, 52030), (430, 45254), (473, 41140), (484, 40205), (605, 32164), (731, 26620), (748, 26015), (860, 22627), (935, 20812), (946, 20570), (1210, 16082), (1331, 14620), (1462, 13310), (1870, 10406), (1892, 10285), (2057, 9460), (2365, 8228), (2420, 8041), (2662, 7310), (2924, 6655), (3655, 5324), (3740, 5203), (4114, 4730)]