18667220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 47246976

約数和(自身を除く): 28579756

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 61, 65, 107, 110, 122, 130, 143, 214, 220, 244, 260, 286, 305, 428, 535, 572, 610, 671, 715, 793, 1070, 1177, 1220, 1342, 1391, 1430, 1586, 2140, 2354, 2684, 2782, 2860, 3172, 3355, 3965, 4708, 5564, 5885, 6527, 6710, 6955, 7930, 8723, 11770, 13054, 13420, 13910, 15301, 15860, 17446, 23540, 26108, 27820, 30602, 32635, 34892, 43615, 61204, 65270, 71797, 76505, 84851, 87230, 130540, 143594, 153010, 169702, 174460, 287188, 306020, 339404, 358985, 424255, 717970, 848510, 933361, 1435940, 1697020, 1866722, 3733444, 4666805, 9333610, 18667220]

約数ペア:

[(1, 18667220), (2, 9333610), (4, 4666805), (5, 3733444), (10, 1866722), (11, 1697020), (13, 1435940), (20, 933361), (22, 848510), (26, 717970), (44, 424255), (52, 358985), (55, 339404), (61, 306020), (65, 287188), (107, 174460), (110, 169702), (122, 153010), (130, 143594), (143, 130540), (214, 87230), (220, 84851), (244, 76505), (260, 71797), (286, 65270), (305, 61204), (428, 43615), (535, 34892), (572, 32635), (610, 30602), (671, 27820), (715, 26108), (793, 23540), (1070, 17446), (1177, 15860), (1220, 15301), (1342, 13910), (1391, 13420), (1430, 13054), (1586, 11770), (2140, 8723), (2354, 7930), (2684, 6955), (2782, 6710), (2860, 6527), (3172, 5885), (3355, 5564), (3965, 4708)]