19473790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22983170

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 53, 58, 70, 106, 145, 181, 203, 265, 290, 362, 371, 406, 530, 742, 905, 1015, 1267, 1537, 1810, 1855, 2030, 2534, 3074, 3710, 5249, 6335, 7685, 9593, 10498, 10759, 12670, 15370, 19186, 21518, 26245, 36743, 47965, 52490, 53795, 67151, 73486, 95930, 107590, 134302, 183715, 278197, 335755, 367430, 556394, 671510, 1390985, 1947379, 2781970, 3894758, 9736895, 19473790]

約数ペア:

[(1, 19473790), (2, 9736895), (5, 3894758), (7, 2781970), (10, 1947379), (14, 1390985), (29, 671510), (35, 556394), (53, 367430), (58, 335755), (70, 278197), (106, 183715), (145, 134302), (181, 107590), (203, 95930), (265, 73486), (290, 67151), (362, 53795), (371, 52490), (406, 47965), (530, 36743), (742, 26245), (905, 21518), (1015, 19186), (1267, 15370), (1537, 12670), (1810, 10759), (1855, 10498), (2030, 9593), (2534, 7685), (3074, 6335), (3710, 5249)]