18985950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1410

約数の個数: 72

約数和(自身を含む): 52693056

約数和(自身を除く): 33707106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1361, 1395, 1550, 2325, 2722, 2790, 4083, 4650, 6805, 6975, 8166, 12249, 13610, 13950, 20415, 24498, 34025, 40830, 42191, 61245, 68050, 84382, 102075, 122490, 126573, 204150, 210955, 253146, 306225, 379719, 421910, 612450, 632865, 759438, 1054775, 1265730, 1898595, 2109550, 3164325, 3797190, 6328650, 9492975, 18985950]

約数ペア:

[(1, 18985950), (2, 9492975), (3, 6328650), (5, 3797190), (6, 3164325), (9, 2109550), (10, 1898595), (15, 1265730), (18, 1054775), (25, 759438), (30, 632865), (31, 612450), (45, 421910), (50, 379719), (62, 306225), (75, 253146), (90, 210955), (93, 204150), (150, 126573), (155, 122490), (186, 102075), (225, 84382), (279, 68050), (310, 61245), (450, 42191), (465, 40830), (558, 34025), (775, 24498), (930, 20415), (1361, 13950), (1395, 13610), (1550, 12249), (2325, 8166), (2722, 6975), (2790, 6805), (4083, 4650)]