19734910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20907650

約数列:

[1, 2, 5, 10, 13, 26, 31, 59, 62, 65, 83, 118, 130, 155, 166, 295, 310, 403, 415, 590, 767, 806, 830, 1079, 1534, 1829, 2015, 2158, 2573, 3658, 3835, 4030, 4897, 5146, 5395, 7670, 9145, 9794, 10790, 12865, 18290, 23777, 24485, 25730, 33449, 47554, 48970, 63661, 66898, 118885, 127322, 151807, 167245, 237770, 303614, 318305, 334490, 636610, 759035, 1518070, 1973491, 3946982, 9867455, 19734910]

約数ペア:

[(1, 19734910), (2, 9867455), (5, 3946982), (10, 1973491), (13, 1518070), (26, 759035), (31, 636610), (59, 334490), (62, 318305), (65, 303614), (83, 237770), (118, 167245), (130, 151807), (155, 127322), (166, 118885), (295, 66898), (310, 63661), (403, 48970), (415, 47554), (590, 33449), (767, 25730), (806, 24485), (830, 23777), (1079, 18290), (1534, 12865), (1829, 10790), (2015, 9794), (2158, 9145), (2573, 7670), (3658, 5395), (3835, 5146), (4030, 4897)]