19640032

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 21909728

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 79, 136, 158, 272, 316, 457, 544, 632, 914, 1264, 1343, 1828, 2528, 2686, 3656, 5372, 7312, 7769, 10744, 14624, 15538, 21488, 31076, 36103, 42976, 62152, 72206, 124304, 144412, 248608, 288824, 577648, 613751, 1155296, 1227502, 2455004, 4910008, 9820016, 19640032]

約数ペア:

[(1, 19640032), (2, 9820016), (4, 4910008), (8, 2455004), (16, 1227502), (17, 1155296), (32, 613751), (34, 577648), (68, 288824), (79, 248608), (136, 144412), (158, 124304), (272, 72206), (316, 62152), (457, 42976), (544, 36103), (632, 31076), (914, 21488), (1264, 15538), (1343, 14624), (1828, 10744), (2528, 7769), (2686, 7312), (3656, 5372)]