19609360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7951

約数の個数: 40

約数和(自身を含む): 47068416

約数和(自身を除く): 27459056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7907, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 245117, 316280, 490234, 632560, 980468, 1225585, 1960936, 2451170, 3921872, 4902340, 9804680, 19609360]

約数ペア:

[(1, 19609360), (2, 9804680), (4, 4902340), (5, 3921872), (8, 2451170), (10, 1960936), (16, 1225585), (20, 980468), (31, 632560), (40, 490234), (62, 316280), (80, 245117), (124, 158140), (155, 126512), (248, 79070), (310, 63256), (496, 39535), (620, 31628), (1240, 15814), (2480, 7907)]