15818516

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 32820480

約数和(自身を除く): 17001964

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 109, 142, 146, 218, 284, 292, 436, 497, 511, 763, 994, 1022, 1526, 1988, 2044, 3052, 5183, 7739, 7957, 10366, 15478, 15914, 20732, 30956, 31828, 36281, 54173, 55699, 72562, 108346, 111398, 145124, 216692, 222796, 564947, 1129894, 2259788, 3954629, 7909258, 15818516]

約数ペア:

[(1, 15818516), (2, 7909258), (4, 3954629), (7, 2259788), (14, 1129894), (28, 564947), (71, 222796), (73, 216692), (109, 145124), (142, 111398), (146, 108346), (218, 72562), (284, 55699), (292, 54173), (436, 36281), (497, 31828), (511, 30956), (763, 20732), (994, 15914), (1022, 15478), (1526, 10366), (1988, 7957), (2044, 7739), (3052, 5183)]