18706450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 43747200

約数和(自身を除く): 25040750

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 29, 35, 38, 50, 58, 70, 95, 97, 133, 145, 175, 190, 194, 203, 266, 290, 350, 406, 475, 485, 551, 665, 679, 725, 950, 970, 1015, 1102, 1330, 1358, 1450, 1843, 2030, 2425, 2755, 2813, 3325, 3395, 3686, 3857, 4850, 5075, 5510, 5626, 6650, 6790, 7714, 9215, 10150, 12901, 13775, 14065, 16975, 18430, 19285, 19691, 25802, 27550, 28130, 33950, 38570, 39382, 46075, 53447, 64505, 70325, 92150, 96425, 98455, 106894, 129010, 140650, 192850, 196910, 267235, 322525, 374129, 492275, 534470, 645050, 748258, 984550, 1336175, 1870645, 2672350, 3741290, 9353225, 18706450]

約数ペア:

[(1, 18706450), (2, 9353225), (5, 3741290), (7, 2672350), (10, 1870645), (14, 1336175), (19, 984550), (25, 748258), (29, 645050), (35, 534470), (38, 492275), (50, 374129), (58, 322525), (70, 267235), (95, 196910), (97, 192850), (133, 140650), (145, 129010), (175, 106894), (190, 98455), (194, 96425), (203, 92150), (266, 70325), (290, 64505), (350, 53447), (406, 46075), (475, 39382), (485, 38570), (551, 33950), (665, 28130), (679, 27550), (725, 25802), (950, 19691), (970, 19285), (1015, 18430), (1102, 16975), (1330, 14065), (1358, 13775), (1450, 12901), (1843, 10150), (2030, 9215), (2425, 7714), (2755, 6790), (2813, 6650), (3325, 5626), (3395, 5510), (3686, 5075), (3857, 4850)]