18511090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 20099342

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 151, 205, 230, 299, 302, 410, 533, 598, 755, 943, 1066, 1495, 1510, 1886, 1963, 2665, 2990, 3473, 3926, 4715, 5330, 6191, 6946, 9430, 9815, 12259, 12382, 17365, 19630, 24518, 30955, 34730, 45149, 61295, 61910, 80483, 90298, 122590, 142393, 160966, 225745, 284786, 402415, 451490, 711965, 804830, 1423930, 1851109, 3702218, 9255545, 18511090]

約数ペア:

[(1, 18511090), (2, 9255545), (5, 3702218), (10, 1851109), (13, 1423930), (23, 804830), (26, 711965), (41, 451490), (46, 402415), (65, 284786), (82, 225745), (115, 160966), (130, 142393), (151, 122590), (205, 90298), (230, 80483), (299, 61910), (302, 61295), (410, 45149), (533, 34730), (598, 30955), (755, 24518), (943, 19630), (1066, 17365), (1495, 12382), (1510, 12259), (1886, 9815), (1963, 9430), (2665, 6946), (2990, 6191), (3473, 5330), (3926, 4715)]