19500390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2414

約数の個数: 96

約数和(自身を含む): 62427456

約数和(自身を除く): 42927066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2381, 2730, 4095, 4762, 7143, 8190, 11905, 14286, 16667, 21429, 23810, 30953, 33334, 35715, 42858, 50001, 61906, 71430, 83335, 92859, 100002, 107145, 150003, 154765, 166670, 185718, 214290, 216671, 250005, 278577, 300006, 309530, 433342, 464295, 500010, 557154, 650013, 750015, 928590, 1083355, 1300026, 1392885, 1500030, 1950039, 2166710, 2785770, 3250065, 3900078, 6500130, 9750195, 19500390]

約数ペア:

[(1, 19500390), (2, 9750195), (3, 6500130), (5, 3900078), (6, 3250065), (7, 2785770), (9, 2166710), (10, 1950039), (13, 1500030), (14, 1392885), (15, 1300026), (18, 1083355), (21, 928590), (26, 750015), (30, 650013), (35, 557154), (39, 500010), (42, 464295), (45, 433342), (63, 309530), (65, 300006), (70, 278577), (78, 250005), (90, 216671), (91, 214290), (105, 185718), (117, 166670), (126, 154765), (130, 150003), (182, 107145), (195, 100002), (210, 92859), (234, 83335), (273, 71430), (315, 61906), (390, 50001), (455, 42858), (546, 35715), (585, 33334), (630, 30953), (819, 23810), (910, 21429), (1170, 16667), (1365, 14286), (1638, 11905), (2381, 8190), (2730, 7143), (4095, 4762)]