18806788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 108

約数和(自身を含む): 46062156

約数和(自身を除く): 27255368

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 61, 77, 91, 98, 121, 122, 143, 154, 182, 196, 242, 244, 286, 308, 364, 427, 484, 539, 572, 637, 671, 793, 847, 854, 1001, 1078, 1274, 1342, 1573, 1586, 1694, 1708, 2002, 2156, 2548, 2684, 2989, 3146, 3172, 3388, 4004, 4697, 5551, 5929, 5978, 6292, 7007, 7381, 8723, 9394, 11011, 11102, 11858, 11956, 14014, 14762, 17446, 18788, 22022, 22204, 23716, 28028, 29524, 32879, 34892, 38857, 44044, 51667, 61061, 65758, 77077, 77714, 95953, 103334, 122122, 131516, 154154, 155428, 191906, 206668, 244244, 308308, 361669, 383812, 427427, 671671, 723338, 854854, 1343342, 1446676, 1709708, 2686684, 4701697, 9403394, 18806788]

約数ペア:

[(1, 18806788), (2, 9403394), (4, 4701697), (7, 2686684), (11, 1709708), (13, 1446676), (14, 1343342), (22, 854854), (26, 723338), (28, 671671), (44, 427427), (49, 383812), (52, 361669), (61, 308308), (77, 244244), (91, 206668), (98, 191906), (121, 155428), (122, 154154), (143, 131516), (154, 122122), (182, 103334), (196, 95953), (242, 77714), (244, 77077), (286, 65758), (308, 61061), (364, 51667), (427, 44044), (484, 38857), (539, 34892), (572, 32879), (637, 29524), (671, 28028), (793, 23716), (847, 22204), (854, 22022), (1001, 18788), (1078, 17446), (1274, 14762), (1342, 14014), (1573, 11956), (1586, 11858), (1694, 11102), (1708, 11011), (2002, 9394), (2156, 8723), (2548, 7381), (2684, 7007), (2989, 6292), (3146, 5978), (3172, 5929), (3388, 5551), (4004, 4697)]