19757790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 57183840

約数和(自身を除く): 37426050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 433, 507, 585, 702, 845, 866, 1014, 1170, 1299, 1521, 1690, 1755, 2165, 2535, 2598, 3042, 3510, 3897, 4330, 4563, 5070, 5629, 6495, 7605, 7794, 9126, 11258, 11691, 12990, 15210, 16887, 19485, 22815, 23382, 28145, 33774, 38970, 45630, 50661, 56290, 58455, 73177, 84435, 101322, 116910, 146354, 151983, 168870, 219531, 253305, 303966, 365885, 439062, 506610, 658593, 731770, 759915, 1097655, 1317186, 1519830, 1975779, 2195310, 3292965, 3951558, 6585930, 9878895, 19757790]

約数ペア:

[(1, 19757790), (2, 9878895), (3, 6585930), (5, 3951558), (6, 3292965), (9, 2195310), (10, 1975779), (13, 1519830), (15, 1317186), (18, 1097655), (26, 759915), (27, 731770), (30, 658593), (39, 506610), (45, 439062), (54, 365885), (65, 303966), (78, 253305), (90, 219531), (117, 168870), (130, 151983), (135, 146354), (169, 116910), (195, 101322), (234, 84435), (270, 73177), (338, 58455), (351, 56290), (390, 50661), (433, 45630), (507, 38970), (585, 33774), (702, 28145), (845, 23382), (866, 22815), (1014, 19485), (1170, 16887), (1299, 15210), (1521, 12990), (1690, 11691), (1755, 11258), (2165, 9126), (2535, 7794), (2598, 7605), (3042, 6495), (3510, 5629), (3897, 5070), (4330, 4563)]