18261516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 53402160

約数和(自身を除く): 35140644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2389, 2548, 3822, 4778, 7167, 7644, 9556, 14334, 16723, 28668, 31057, 33446, 50169, 62114, 66892, 93171, 100338, 117061, 124228, 186342, 200676, 217399, 234122, 351183, 372684, 434798, 468244, 652197, 702366, 869596, 1304394, 1404732, 1521793, 2608788, 3043586, 4565379, 6087172, 9130758, 18261516]

約数ペア:

[(1, 18261516), (2, 9130758), (3, 6087172), (4, 4565379), (6, 3043586), (7, 2608788), (12, 1521793), (13, 1404732), (14, 1304394), (21, 869596), (26, 702366), (28, 652197), (39, 468244), (42, 434798), (49, 372684), (52, 351183), (78, 234122), (84, 217399), (91, 200676), (98, 186342), (147, 124228), (156, 117061), (182, 100338), (196, 93171), (273, 66892), (294, 62114), (364, 50169), (546, 33446), (588, 31057), (637, 28668), (1092, 16723), (1274, 14334), (1911, 9556), (2389, 7644), (2548, 7167), (3822, 4778)]