18489588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 49580160

約数和(自身を除く): 31090572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 61, 67, 78, 87, 116, 122, 134, 156, 174, 183, 201, 244, 268, 348, 366, 377, 402, 732, 754, 793, 804, 871, 1131, 1508, 1586, 1742, 1769, 1943, 2262, 2379, 2613, 3172, 3484, 3538, 3886, 4087, 4524, 4758, 5226, 5307, 5829, 7076, 7772, 8174, 9516, 10452, 10614, 11658, 12261, 16348, 21228, 22997, 23316, 24522, 25259, 45994, 49044, 50518, 53131, 68991, 75777, 91988, 101036, 106262, 118523, 137982, 151554, 159393, 212524, 237046, 275964, 303108, 318786, 355569, 474092, 637572, 711138, 1422276, 1540799, 3081598, 4622397, 6163196, 9244794, 18489588]

約数ペア:

[(1, 18489588), (2, 9244794), (3, 6163196), (4, 4622397), (6, 3081598), (12, 1540799), (13, 1422276), (26, 711138), (29, 637572), (39, 474092), (52, 355569), (58, 318786), (61, 303108), (67, 275964), (78, 237046), (87, 212524), (116, 159393), (122, 151554), (134, 137982), (156, 118523), (174, 106262), (183, 101036), (201, 91988), (244, 75777), (268, 68991), (348, 53131), (366, 50518), (377, 49044), (402, 45994), (732, 25259), (754, 24522), (793, 23316), (804, 22997), (871, 21228), (1131, 16348), (1508, 12261), (1586, 11658), (1742, 10614), (1769, 10452), (1943, 9516), (2262, 8174), (2379, 7772), (2613, 7076), (3172, 5829), (3484, 5307), (3538, 5226), (3886, 4758), (4087, 4524)]