19747064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22243336

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 59, 68, 92, 107, 118, 136, 184, 214, 236, 391, 428, 472, 782, 856, 1003, 1357, 1564, 1819, 2006, 2461, 2714, 3128, 3638, 4012, 4922, 5428, 6313, 7276, 8024, 9844, 10856, 12626, 14552, 19688, 23069, 25252, 41837, 46138, 50504, 83674, 92276, 107321, 145199, 167348, 184552, 214642, 290398, 334696, 429284, 580796, 858568, 1161592, 2468383, 4936766, 9873532, 19747064]

約数ペア:

[(1, 19747064), (2, 9873532), (4, 4936766), (8, 2468383), (17, 1161592), (23, 858568), (34, 580796), (46, 429284), (59, 334696), (68, 290398), (92, 214642), (107, 184552), (118, 167348), (136, 145199), (184, 107321), (214, 92276), (236, 83674), (391, 50504), (428, 46138), (472, 41837), (782, 25252), (856, 23069), (1003, 19688), (1357, 14552), (1564, 12626), (1819, 10856), (2006, 9844), (2461, 8024), (2714, 7276), (3128, 6313), (3638, 5428), (4012, 4922)]