18405760338

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{150131}}^1$

素因数の和:150292

約数の個数: 72

約数和(自身を含む): 46724081040

約数和(自身を除く): 28318320702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 441, 834, 882, 973, 1251, 1946, 2502, 2919, 5838, 6811, 8757, 13622, 17514, 20433, 40866, 61299, 122598, 150131, 300262, 450393, 900786, 1050917, 1351179, 2101834, 2702358, 3152751, 6305502, 7356419, 9458253, 14712838, 18916506, 20868209, 22069257, 41736418, 44138514, 62604627, 66207771, 125209254, 132415542, 146077463, 187813881, 292154926, 375627762, 438232389, 876464778, 1022542241, 1314697167, 2045084482, 2629394334, 3067626723, 6135253446, 9202880169, 18405760338]

約数ペア:

[(1, 18405760338), (2, 9202880169), (3, 6135253446), (6, 3067626723), (7, 2629394334), (9, 2045084482), (14, 1314697167), (18, 1022542241), (21, 876464778), (42, 438232389), (49, 375627762), (63, 292154926), (98, 187813881), (126, 146077463), (139, 132415542), (147, 125209254), (278, 66207771), (294, 62604627), (417, 44138514), (441, 41736418), (834, 22069257), (882, 20868209), (973, 18916506), (1251, 14712838), (1946, 9458253), (2502, 7356419), (2919, 6305502), (5838, 3152751), (6811, 2702358), (8757, 2101834), (13622, 1351179), (17514, 1050917), (20433, 900786), (40866, 450393), (61299, 300262), (122598, 150131)]