19021020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5197}}^1$

素因数の和:5270

約数の個数: 48

約数和(自身を含む): 54142368

約数和(自身を除く): 35121348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5197, 10394, 15591, 20788, 25985, 31182, 51970, 62364, 77955, 103940, 155910, 311820, 317017, 634034, 951051, 1268068, 1585085, 1902102, 3170170, 3804204, 4755255, 6340340, 9510510, 19021020]

約数ペア:

[(1, 19021020), (2, 9510510), (3, 6340340), (4, 4755255), (5, 3804204), (6, 3170170), (10, 1902102), (12, 1585085), (15, 1268068), (20, 951051), (30, 634034), (60, 317017), (61, 311820), (122, 155910), (183, 103940), (244, 77955), (305, 62364), (366, 51970), (610, 31182), (732, 25985), (915, 20788), (1220, 15591), (1830, 10394), (3660, 5197)]