19814368

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 45450720

約数和(自身を除く): 25636352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1669, 1696, 2968, 3338, 5936, 6676, 11683, 11872, 13352, 23366, 26704, 46732, 53408, 88457, 93464, 176914, 186928, 353828, 373856, 619199, 707656, 1238398, 1415312, 2476796, 2830624, 4953592, 9907184, 19814368]

約数ペア:

[(1, 19814368), (2, 9907184), (4, 4953592), (7, 2830624), (8, 2476796), (14, 1415312), (16, 1238398), (28, 707656), (32, 619199), (53, 373856), (56, 353828), (106, 186928), (112, 176914), (212, 93464), (224, 88457), (371, 53408), (424, 46732), (742, 26704), (848, 23366), (1484, 13352), (1669, 11872), (1696, 11683), (2968, 6676), (3338, 5936)]