19401816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2248

約数の個数: 64

約数和(自身を含む): 56505600

約数和(自身を除く): 37103784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2179, 2226, 2968, 4358, 4452, 6537, 8716, 8904, 13074, 15253, 17432, 26148, 30506, 45759, 52296, 61012, 91518, 115487, 122024, 183036, 230974, 346461, 366072, 461948, 692922, 808409, 923896, 1385844, 1616818, 2425227, 2771688, 3233636, 4850454, 6467272, 9700908, 19401816]

約数ペア:

[(1, 19401816), (2, 9700908), (3, 6467272), (4, 4850454), (6, 3233636), (7, 2771688), (8, 2425227), (12, 1616818), (14, 1385844), (21, 923896), (24, 808409), (28, 692922), (42, 461948), (53, 366072), (56, 346461), (84, 230974), (106, 183036), (159, 122024), (168, 115487), (212, 91518), (318, 61012), (371, 52296), (424, 45759), (636, 30506), (742, 26148), (1113, 17432), (1272, 15253), (1484, 13074), (2179, 8904), (2226, 8716), (2968, 6537), (4358, 4452)]