19439680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4703

約数の個数: 56

約数和(自身を含む): 49862232

約数和(自身を除く): 30422552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4673, 9346, 18692, 23365, 37384, 46730, 60749, 74768, 93460, 121498, 149536, 186920, 242996, 299072, 303745, 373840, 485992, 607490, 747680, 971984, 1214980, 1495360, 1943968, 2429960, 3887936, 4859920, 9719840, 19439680]

約数ペア:

[(1, 19439680), (2, 9719840), (4, 4859920), (5, 3887936), (8, 2429960), (10, 1943968), (13, 1495360), (16, 1214980), (20, 971984), (26, 747680), (32, 607490), (40, 485992), (52, 373840), (64, 303745), (65, 299072), (80, 242996), (104, 186920), (130, 149536), (160, 121498), (208, 93460), (260, 74768), (320, 60749), (416, 46730), (520, 37384), (832, 23365), (1040, 18692), (2080, 9346), (4160, 4673)]