19477620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 59459400

約数和(自身を除く): 39981780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 449, 482, 723, 898, 964, 1205, 1347, 1446, 1796, 2169, 2245, 2410, 2694, 2892, 3615, 4041, 4338, 4490, 4820, 5388, 6735, 7230, 8082, 8676, 8980, 10845, 13470, 14460, 16164, 20205, 21690, 26940, 40410, 43380, 80820, 108209, 216418, 324627, 432836, 541045, 649254, 973881, 1082090, 1298508, 1623135, 1947762, 2164180, 3246270, 3895524, 4869405, 6492540, 9738810, 19477620]

約数ペア:

[(1, 19477620), (2, 9738810), (3, 6492540), (4, 4869405), (5, 3895524), (6, 3246270), (9, 2164180), (10, 1947762), (12, 1623135), (15, 1298508), (18, 1082090), (20, 973881), (30, 649254), (36, 541045), (45, 432836), (60, 324627), (90, 216418), (180, 108209), (241, 80820), (449, 43380), (482, 40410), (723, 26940), (898, 21690), (964, 20205), (1205, 16164), (1347, 14460), (1446, 13470), (1796, 10845), (2169, 8980), (2245, 8676), (2410, 8082), (2694, 7230), (2892, 6735), (3615, 5388), (4041, 4820), (4338, 4490)]