18813132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 52132080

約数和(自身を除く): 33318948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 659, 732, 793, 1098, 1318, 1586, 1977, 2196, 2379, 2636, 3172, 3954, 4758, 5931, 7137, 7908, 8567, 9516, 11862, 14274, 17134, 23724, 25701, 28548, 34268, 40199, 51402, 77103, 80398, 102804, 120597, 154206, 160796, 241194, 308412, 361791, 482388, 522587, 723582, 1045174, 1447164, 1567761, 2090348, 3135522, 4703283, 6271044, 9406566, 18813132]

約数ペア:

[(1, 18813132), (2, 9406566), (3, 6271044), (4, 4703283), (6, 3135522), (9, 2090348), (12, 1567761), (13, 1447164), (18, 1045174), (26, 723582), (36, 522587), (39, 482388), (52, 361791), (61, 308412), (78, 241194), (117, 160796), (122, 154206), (156, 120597), (183, 102804), (234, 80398), (244, 77103), (366, 51402), (468, 40199), (549, 34268), (659, 28548), (732, 25701), (793, 23724), (1098, 17134), (1318, 14274), (1586, 11862), (1977, 9516), (2196, 8567), (2379, 7908), (2636, 7137), (3172, 5931), (3954, 4758)]