18501028

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 41626872

約数和(自身を除く): 23125844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 137, 182, 196, 212, 274, 364, 371, 548, 637, 689, 742, 959, 1274, 1378, 1484, 1781, 1918, 2548, 2597, 2756, 3562, 3836, 4823, 5194, 6713, 7124, 7261, 9646, 10388, 12467, 13426, 14522, 19292, 24934, 26852, 29044, 33761, 49868, 50827, 67522, 87269, 94393, 101654, 135044, 174538, 188786, 203308, 349076, 355789, 377572, 660751, 711578, 1321502, 1423156, 2643004, 4625257, 9250514, 18501028]

約数ペア:

[(1, 18501028), (2, 9250514), (4, 4625257), (7, 2643004), (13, 1423156), (14, 1321502), (26, 711578), (28, 660751), (49, 377572), (52, 355789), (53, 349076), (91, 203308), (98, 188786), (106, 174538), (137, 135044), (182, 101654), (196, 94393), (212, 87269), (274, 67522), (364, 50827), (371, 49868), (548, 33761), (637, 29044), (689, 26852), (742, 24934), (959, 19292), (1274, 14522), (1378, 13426), (1484, 12467), (1781, 10388), (1918, 9646), (2548, 7261), (2597, 7124), (2756, 6713), (3562, 5194), (3836, 4823)]