18660630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 28384170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 89, 145, 174, 178, 241, 267, 290, 435, 445, 482, 534, 723, 870, 890, 1205, 1335, 1446, 2410, 2581, 2670, 3615, 5162, 6989, 7230, 7743, 12905, 13978, 15486, 20967, 21449, 25810, 34945, 38715, 41934, 42898, 64347, 69890, 77430, 104835, 107245, 128694, 209670, 214490, 321735, 622021, 643470, 1244042, 1866063, 3110105, 3732126, 6220210, 9330315, 18660630]

約数ペア:

[(1, 18660630), (2, 9330315), (3, 6220210), (5, 3732126), (6, 3110105), (10, 1866063), (15, 1244042), (29, 643470), (30, 622021), (58, 321735), (87, 214490), (89, 209670), (145, 128694), (174, 107245), (178, 104835), (241, 77430), (267, 69890), (290, 64347), (435, 42898), (445, 41934), (482, 38715), (534, 34945), (723, 25810), (870, 21449), (890, 20967), (1205, 15486), (1335, 13978), (1446, 12905), (2410, 7743), (2581, 7230), (2670, 6989), (3615, 5162)]