19759300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 49871808

約数和(自身を除く): 30112508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 71, 92, 100, 110, 115, 121, 142, 220, 230, 242, 253, 275, 284, 355, 460, 484, 506, 550, 575, 605, 710, 781, 1012, 1100, 1150, 1210, 1265, 1420, 1562, 1633, 1775, 2300, 2420, 2530, 2783, 3025, 3124, 3266, 3550, 3905, 5060, 5566, 6050, 6325, 6532, 7100, 7810, 8165, 8591, 11132, 12100, 12650, 13915, 15620, 16330, 17182, 17963, 19525, 25300, 27830, 32660, 34364, 35926, 39050, 40825, 42955, 55660, 69575, 71852, 78100, 81650, 85910, 89815, 139150, 163300, 171820, 179630, 197593, 214775, 278300, 359260, 395186, 429550, 449075, 790372, 859100, 898150, 987965, 1796300, 1975930, 3951860, 4939825, 9879650, 19759300]

約数ペア:

[(1, 19759300), (2, 9879650), (4, 4939825), (5, 3951860), (10, 1975930), (11, 1796300), (20, 987965), (22, 898150), (23, 859100), (25, 790372), (44, 449075), (46, 429550), (50, 395186), (55, 359260), (71, 278300), (92, 214775), (100, 197593), (110, 179630), (115, 171820), (121, 163300), (142, 139150), (220, 89815), (230, 85910), (242, 81650), (253, 78100), (275, 71852), (284, 69575), (355, 55660), (460, 42955), (484, 40825), (506, 39050), (550, 35926), (575, 34364), (605, 32660), (710, 27830), (781, 25300), (1012, 19525), (1100, 17963), (1150, 17182), (1210, 16330), (1265, 15620), (1420, 13915), (1562, 12650), (1633, 12100), (1775, 11132), (2300, 8591), (2420, 8165), (2530, 7810), (2783, 7100), (3025, 6532), (3124, 6325), (3266, 6050), (3550, 5566), (3905, 5060)]