18401950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 42408000

約数和(自身を除く): 24006050

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 37, 49, 50, 58, 70, 74, 98, 145, 175, 185, 203, 245, 259, 290, 343, 350, 370, 406, 490, 518, 686, 725, 925, 1015, 1073, 1225, 1295, 1421, 1450, 1715, 1813, 1850, 2030, 2146, 2450, 2590, 2842, 3430, 3626, 5075, 5365, 6475, 7105, 7511, 8575, 9065, 9947, 10150, 10730, 12691, 12950, 14210, 15022, 17150, 18130, 19894, 25382, 26825, 35525, 37555, 45325, 49735, 52577, 53650, 63455, 71050, 75110, 90650, 99470, 105154, 126910, 187775, 248675, 262885, 317275, 368039, 375550, 497350, 525770, 634550, 736078, 1314425, 1840195, 2628850, 3680390, 9200975, 18401950]

約数ペア:

[(1, 18401950), (2, 9200975), (5, 3680390), (7, 2628850), (10, 1840195), (14, 1314425), (25, 736078), (29, 634550), (35, 525770), (37, 497350), (49, 375550), (50, 368039), (58, 317275), (70, 262885), (74, 248675), (98, 187775), (145, 126910), (175, 105154), (185, 99470), (203, 90650), (245, 75110), (259, 71050), (290, 63455), (343, 53650), (350, 52577), (370, 49735), (406, 45325), (490, 37555), (518, 35525), (686, 26825), (725, 25382), (925, 19894), (1015, 18130), (1073, 17150), (1225, 15022), (1295, 14210), (1421, 12950), (1450, 12691), (1715, 10730), (1813, 10150), (1850, 9947), (2030, 9065), (2146, 8575), (2450, 7511), (2590, 7105), (2842, 6475), (3430, 5365), (3626, 5075)]