18850950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 51155208

約数和(自身を除く): 32304258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 163, 225, 257, 326, 450, 489, 514, 771, 815, 978, 1285, 1467, 1542, 1630, 2313, 2445, 2570, 2934, 3855, 4075, 4626, 4890, 6425, 7335, 7710, 8150, 11565, 12225, 12850, 14670, 19275, 23130, 24450, 36675, 38550, 41891, 57825, 73350, 83782, 115650, 125673, 209455, 251346, 377019, 418910, 628365, 754038, 1047275, 1256730, 1885095, 2094550, 3141825, 3770190, 6283650, 9425475, 18850950]

約数ペア:

[(1, 18850950), (2, 9425475), (3, 6283650), (5, 3770190), (6, 3141825), (9, 2094550), (10, 1885095), (15, 1256730), (18, 1047275), (25, 754038), (30, 628365), (45, 418910), (50, 377019), (75, 251346), (90, 209455), (150, 125673), (163, 115650), (225, 83782), (257, 73350), (326, 57825), (450, 41891), (489, 38550), (514, 36675), (771, 24450), (815, 23130), (978, 19275), (1285, 14670), (1467, 12850), (1542, 12225), (1630, 11565), (2313, 8150), (2445, 7710), (2570, 7335), (2934, 6425), (3855, 4890), (4075, 4626)]