19263380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 43681680

約数和(自身を除く): 24418300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1069, 1802, 2138, 3604, 4276, 4505, 5345, 9010, 10690, 18020, 18173, 21380, 36346, 56657, 72692, 90865, 113314, 181730, 226628, 283285, 363460, 566570, 963169, 1133140, 1926338, 3852676, 4815845, 9631690, 19263380]

約数ペア:

[(1, 19263380), (2, 9631690), (4, 4815845), (5, 3852676), (10, 1926338), (17, 1133140), (20, 963169), (34, 566570), (53, 363460), (68, 283285), (85, 226628), (106, 181730), (170, 113314), (212, 90865), (265, 72692), (340, 56657), (530, 36346), (901, 21380), (1060, 18173), (1069, 18020), (1802, 10690), (2138, 9010), (3604, 5345), (4276, 4505)]