18964470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 56448000

約数和(自身を除く): 37483530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 97, 98, 105, 114, 133, 147, 190, 194, 210, 245, 266, 285, 291, 294, 343, 399, 485, 490, 570, 582, 665, 679, 686, 735, 798, 931, 970, 1029, 1330, 1358, 1455, 1470, 1715, 1843, 1862, 1995, 2037, 2058, 2793, 2910, 3395, 3430, 3686, 3990, 4074, 4655, 4753, 5145, 5529, 5586, 6517, 6790, 9215, 9310, 9506, 10185, 10290, 11058, 12901, 13034, 13965, 14259, 18430, 19551, 20370, 23765, 25802, 27645, 27930, 28518, 32585, 33271, 38703, 39102, 47530, 55290, 64505, 65170, 66542, 71295, 77406, 90307, 97755, 99813, 129010, 142590, 166355, 180614, 193515, 195510, 199626, 270921, 332710, 387030, 451535, 499065, 541842, 632149, 903070, 998130, 1264298, 1354605, 1896447, 2709210, 3160745, 3792894, 6321490, 9482235, 18964470]

約数ペア:

[(1, 18964470), (2, 9482235), (3, 6321490), (5, 3792894), (6, 3160745), (7, 2709210), (10, 1896447), (14, 1354605), (15, 1264298), (19, 998130), (21, 903070), (30, 632149), (35, 541842), (38, 499065), (42, 451535), (49, 387030), (57, 332710), (70, 270921), (95, 199626), (97, 195510), (98, 193515), (105, 180614), (114, 166355), (133, 142590), (147, 129010), (190, 99813), (194, 97755), (210, 90307), (245, 77406), (266, 71295), (285, 66542), (291, 65170), (294, 64505), (343, 55290), (399, 47530), (485, 39102), (490, 38703), (570, 33271), (582, 32585), (665, 28518), (679, 27930), (686, 27645), (735, 25802), (798, 23765), (931, 20370), (970, 19551), (1029, 18430), (1330, 14259), (1358, 13965), (1455, 13034), (1470, 12901), (1715, 11058), (1843, 10290), (1862, 10185), (1995, 9506), (2037, 9310), (2058, 9215), (2793, 6790), (2910, 6517), (3395, 5586), (3430, 5529), (3686, 5145), (3990, 4753), (4074, 4655)]