19721130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4597}}^1$

素因数の和:4631

約数の個数: 64

約数和(自身を含む): 55617408

約数和(自身を除く): 35896278

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4597, 9194, 13791, 22985, 27582, 45970, 50567, 59761, 68955, 101134, 119522, 137910, 151701, 179283, 252835, 298805, 303402, 358566, 505670, 597610, 657371, 758505, 896415, 1314742, 1517010, 1792830, 1972113, 3286855, 3944226, 6573710, 9860565, 19721130]

約数ペア:

[(1, 19721130), (2, 9860565), (3, 6573710), (5, 3944226), (6, 3286855), (10, 1972113), (11, 1792830), (13, 1517010), (15, 1314742), (22, 896415), (26, 758505), (30, 657371), (33, 597610), (39, 505670), (55, 358566), (65, 303402), (66, 298805), (78, 252835), (110, 179283), (130, 151701), (143, 137910), (165, 119522), (195, 101134), (286, 68955), (330, 59761), (390, 50567), (429, 45970), (715, 27582), (858, 22985), (1430, 13791), (2145, 9194), (4290, 4597)]