18217038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25328562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 71, 82, 123, 142, 149, 213, 246, 287, 298, 426, 447, 497, 574, 861, 894, 994, 1043, 1491, 1722, 2086, 2911, 2982, 3129, 5822, 6109, 6258, 8733, 10579, 12218, 17466, 18327, 20377, 21158, 31737, 36654, 40754, 42763, 61131, 63474, 74053, 85526, 122262, 128289, 148106, 222159, 256578, 433739, 444318, 867478, 1301217, 2602434, 3036173, 6072346, 9108519, 18217038]

約数ペア:

[(1, 18217038), (2, 9108519), (3, 6072346), (6, 3036173), (7, 2602434), (14, 1301217), (21, 867478), (41, 444318), (42, 433739), (71, 256578), (82, 222159), (123, 148106), (142, 128289), (149, 122262), (213, 85526), (246, 74053), (287, 63474), (298, 61131), (426, 42763), (447, 40754), (497, 36654), (574, 31737), (861, 21158), (894, 20377), (994, 18327), (1043, 17466), (1491, 12218), (1722, 10579), (2086, 8733), (2911, 6258), (2982, 6109), (3129, 5822)]