18975900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 56218624

約数和(自身を除く): 37242724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1471, 2150, 2580, 2942, 3225, 4300, 4413, 5884, 6450, 7355, 8826, 12900, 14710, 17652, 22065, 29420, 36775, 44130, 63253, 73550, 88260, 110325, 126506, 147100, 189759, 220650, 253012, 316265, 379518, 441300, 632530, 759036, 948795, 1265060, 1581325, 1897590, 3162650, 3795180, 4743975, 6325300, 9487950, 18975900]

約数ペア:

[(1, 18975900), (2, 9487950), (3, 6325300), (4, 4743975), (5, 3795180), (6, 3162650), (10, 1897590), (12, 1581325), (15, 1265060), (20, 948795), (25, 759036), (30, 632530), (43, 441300), (50, 379518), (60, 316265), (75, 253012), (86, 220650), (100, 189759), (129, 147100), (150, 126506), (172, 110325), (215, 88260), (258, 73550), (300, 63253), (430, 44130), (516, 36775), (645, 29420), (860, 22065), (1075, 17652), (1290, 14710), (1471, 12900), (2150, 8826), (2580, 7355), (2942, 6450), (3225, 5884), (4300, 4413)]