19092590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19977490

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 509, 605, 682, 1018, 1210, 1705, 2545, 3410, 3751, 5090, 5599, 7502, 11198, 15779, 18755, 27995, 31558, 37510, 55990, 61589, 78895, 123178, 157790, 173569, 307945, 347138, 615890, 867845, 1735690, 1909259, 3818518, 9546295, 19092590]

約数ペア:

[(1, 19092590), (2, 9546295), (5, 3818518), (10, 1909259), (11, 1735690), (22, 867845), (31, 615890), (55, 347138), (62, 307945), (110, 173569), (121, 157790), (155, 123178), (242, 78895), (310, 61589), (341, 55990), (509, 37510), (605, 31558), (682, 27995), (1018, 18755), (1210, 15779), (1705, 11198), (2545, 7502), (3410, 5599), (3751, 5090)]