19257464

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 40629600

約数和(自身を除く): 21372136

約数列:

[1, 2, 4, 8, 17, 34, 37, 43, 68, 74, 86, 89, 136, 148, 172, 178, 296, 344, 356, 629, 712, 731, 1258, 1462, 1513, 1591, 2516, 2924, 3026, 3182, 3293, 3827, 5032, 5848, 6052, 6364, 6586, 7654, 12104, 12728, 13172, 15308, 26344, 27047, 30616, 54094, 55981, 65059, 108188, 111962, 130118, 141599, 216376, 223924, 260236, 283198, 447848, 520472, 566396, 1132792, 2407183, 4814366, 9628732, 19257464]

約数ペア:

[(1, 19257464), (2, 9628732), (4, 4814366), (8, 2407183), (17, 1132792), (34, 566396), (37, 520472), (43, 447848), (68, 283198), (74, 260236), (86, 223924), (89, 216376), (136, 141599), (148, 130118), (172, 111962), (178, 108188), (296, 65059), (344, 55981), (356, 54094), (629, 30616), (712, 27047), (731, 26344), (1258, 15308), (1462, 13172), (1513, 12728), (1591, 12104), (2516, 7654), (2924, 6586), (3026, 6364), (3182, 6052), (3293, 5848), (3827, 5032)]