18817806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 26340594

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 97, 149, 186, 194, 217, 291, 298, 434, 447, 582, 651, 679, 894, 1043, 1302, 1358, 2037, 2086, 3007, 3129, 4074, 4619, 6014, 6258, 9021, 9238, 13857, 14453, 18042, 21049, 27714, 28906, 32333, 42098, 43359, 63147, 64666, 86718, 96999, 101171, 126294, 193998, 202342, 303513, 448043, 607026, 896086, 1344129, 2688258, 3136301, 6272602, 9408903, 18817806]

約数ペア:

[(1, 18817806), (2, 9408903), (3, 6272602), (6, 3136301), (7, 2688258), (14, 1344129), (21, 896086), (31, 607026), (42, 448043), (62, 303513), (93, 202342), (97, 193998), (149, 126294), (186, 101171), (194, 96999), (217, 86718), (291, 64666), (298, 63147), (434, 43359), (447, 42098), (582, 32333), (651, 28906), (679, 27714), (894, 21049), (1043, 18042), (1302, 14453), (1358, 13857), (2037, 9238), (2086, 9021), (3007, 6258), (3129, 6014), (4074, 4619)]