19687668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 62563200

約数和(自身を除く): 42875532

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 149, 154, 156, 182, 231, 242, 273, 286, 298, 308, 363, 364, 429, 447, 462, 484, 546, 572, 596, 726, 847, 858, 894, 924, 1001, 1043, 1092, 1452, 1573, 1639, 1694, 1716, 1788, 1937, 2002, 2086, 2541, 3003, 3129, 3146, 3278, 3388, 3874, 4004, 4172, 4719, 4917, 5082, 5811, 6006, 6258, 6292, 6556, 7748, 9438, 9834, 10164, 11011, 11473, 11622, 12012, 12516, 13559, 18029, 18876, 19668, 21307, 22022, 22946, 23244, 27118, 33033, 34419, 36058, 40677, 42614, 44044, 45892, 54087, 54236, 63921, 66066, 68838, 72116, 81354, 85228, 108174, 126203, 127842, 132132, 137676, 149149, 162708, 216348, 234377, 252406, 255684, 298298, 378609, 447447, 468754, 504812, 596596, 703131, 757218, 894894, 937508, 1406262, 1514436, 1640639, 1789788, 2812524, 3281278, 4921917, 6562556, 9843834, 19687668]

約数ペア:

[(1, 19687668), (2, 9843834), (3, 6562556), (4, 4921917), (6, 3281278), (7, 2812524), (11, 1789788), (12, 1640639), (13, 1514436), (14, 1406262), (21, 937508), (22, 894894), (26, 757218), (28, 703131), (33, 596596), (39, 504812), (42, 468754), (44, 447447), (52, 378609), (66, 298298), (77, 255684), (78, 252406), (84, 234377), (91, 216348), (121, 162708), (132, 149149), (143, 137676), (149, 132132), (154, 127842), (156, 126203), (182, 108174), (231, 85228), (242, 81354), (273, 72116), (286, 68838), (298, 66066), (308, 63921), (363, 54236), (364, 54087), (429, 45892), (447, 44044), (462, 42614), (484, 40677), (546, 36058), (572, 34419), (596, 33033), (726, 27118), (847, 23244), (858, 22946), (894, 22022), (924, 21307), (1001, 19668), (1043, 18876), (1092, 18029), (1452, 13559), (1573, 12516), (1639, 12012), (1694, 11622), (1716, 11473), (1788, 11011), (1937, 10164), (2002, 9834), (2086, 9438), (2541, 7748), (3003, 6556), (3129, 6292), (3146, 6258), (3278, 6006), (3388, 5811), (3874, 5082), (4004, 4917), (4172, 4719)]