19397170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 40715136

約数和(自身を除く): 21317966

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 67, 85, 130, 131, 134, 170, 221, 262, 335, 442, 655, 670, 871, 1105, 1139, 1310, 1703, 1742, 2210, 2227, 2278, 3406, 4355, 4454, 5695, 8515, 8710, 8777, 11135, 11390, 14807, 17030, 17554, 22270, 28951, 29614, 43885, 57902, 74035, 87770, 114101, 144755, 148070, 149209, 228202, 289510, 298418, 570505, 746045, 1141010, 1492090, 1939717, 3879434, 9698585, 19397170]

約数ペア:

[(1, 19397170), (2, 9698585), (5, 3879434), (10, 1939717), (13, 1492090), (17, 1141010), (26, 746045), (34, 570505), (65, 298418), (67, 289510), (85, 228202), (130, 149209), (131, 148070), (134, 144755), (170, 114101), (221, 87770), (262, 74035), (335, 57902), (442, 43885), (655, 29614), (670, 28951), (871, 22270), (1105, 17554), (1139, 17030), (1310, 14807), (1703, 11390), (1742, 11135), (2210, 8777), (2227, 8710), (2278, 8515), (3406, 5695), (4355, 4454)]