19336980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1907}}^1$

素因数の和:1945

約数の個数: 72

約数和(自身を含む): 58659552

約数和(自身を除く): 39322572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1907, 2028, 2535, 3380, 3814, 5070, 5721, 7628, 9535, 10140, 11442, 19070, 22884, 24791, 28605, 38140, 49582, 57210, 74373, 99164, 114420, 123955, 148746, 247910, 297492, 322283, 371865, 495820, 644566, 743730, 966849, 1289132, 1487460, 1611415, 1933698, 3222830, 3867396, 4834245, 6445660, 9668490, 19336980]

約数ペア:

[(1, 19336980), (2, 9668490), (3, 6445660), (4, 4834245), (5, 3867396), (6, 3222830), (10, 1933698), (12, 1611415), (13, 1487460), (15, 1289132), (20, 966849), (26, 743730), (30, 644566), (39, 495820), (52, 371865), (60, 322283), (65, 297492), (78, 247910), (130, 148746), (156, 123955), (169, 114420), (195, 99164), (260, 74373), (338, 57210), (390, 49582), (507, 38140), (676, 28605), (780, 24791), (845, 22884), (1014, 19070), (1690, 11442), (1907, 10140), (2028, 9535), (2535, 7628), (3380, 5721), (3814, 5070)]