19808348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2261227}}^1$

素因数の和:2261314

約数の個数: 64

約数和(自身を含む): 60239113920

約数和(自身を除く): 40430765400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 2261227, 4522454, 6783681, 9044908, 11306135, 13567362, 18089816, 22612270, 27134724, 33918405, 45224540, 54269448, 67836810, 90449080, 135673620, 165069571, 271347240, 330139142, 495208713, 660278284, 825347855, 990417426, 1320556568, 1650695710, 1980834852, 2476043565, 3301391420, 3961669704, 4952087130, 6602782840, 9904174260, 19808348520]

約数ペア:

[(1, 19808348520), (2, 9904174260), (3, 6602782840), (4, 4952087130), (5, 3961669704), (6, 3301391420), (8, 2476043565), (10, 1980834852), (12, 1650695710), (15, 1320556568), (20, 990417426), (24, 825347855), (30, 660278284), (40, 495208713), (60, 330139142), (73, 271347240), (120, 165069571), (146, 135673620), (219, 90449080), (292, 67836810), (365, 54269448), (438, 45224540), (584, 33918405), (730, 27134724), (876, 22612270), (1095, 18089816), (1460, 13567362), (1752, 11306135), (2190, 9044908), (2920, 6783681), (4380, 4522454), (8760, 2261227)]