18200936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 39580800

約数和(自身を除く): 21379864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 151, 152, 244, 247, 302, 488, 494, 604, 793, 988, 1159, 1208, 1586, 1963, 1976, 2318, 2869, 3172, 3926, 4636, 5738, 6344, 7852, 9211, 9272, 11476, 15067, 15704, 18422, 22952, 30134, 36844, 37297, 60268, 73688, 74594, 119743, 120536, 149188, 175009, 239486, 298376, 350018, 478972, 700036, 957944, 1400072, 2275117, 4550234, 9100468, 18200936]

約数ペア:

[(1, 18200936), (2, 9100468), (4, 4550234), (8, 2275117), (13, 1400072), (19, 957944), (26, 700036), (38, 478972), (52, 350018), (61, 298376), (76, 239486), (104, 175009), (122, 149188), (151, 120536), (152, 119743), (244, 74594), (247, 73688), (302, 60268), (488, 37297), (494, 36844), (604, 30134), (793, 22952), (988, 18422), (1159, 15704), (1208, 15067), (1586, 11476), (1963, 9272), (1976, 9211), (2318, 7852), (2869, 6344), (3172, 5738), (3926, 4636)]