18089550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 72

約数和(自身を含む): 49472280

約数和(自身を除く): 31382730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 659, 915, 1098, 1318, 1525, 1830, 1977, 2745, 3050, 3295, 3954, 4575, 5490, 5931, 6590, 9150, 9885, 11862, 13725, 16475, 19770, 27450, 29655, 32950, 40199, 49425, 59310, 80398, 98850, 120597, 148275, 200995, 241194, 296550, 361791, 401990, 602985, 723582, 1004975, 1205970, 1808955, 2009950, 3014925, 3617910, 6029850, 9044775, 18089550]

約数ペア:

[(1, 18089550), (2, 9044775), (3, 6029850), (5, 3617910), (6, 3014925), (9, 2009950), (10, 1808955), (15, 1205970), (18, 1004975), (25, 723582), (30, 602985), (45, 401990), (50, 361791), (61, 296550), (75, 241194), (90, 200995), (122, 148275), (150, 120597), (183, 98850), (225, 80398), (305, 59310), (366, 49425), (450, 40199), (549, 32950), (610, 29655), (659, 27450), (915, 19770), (1098, 16475), (1318, 13725), (1525, 11862), (1830, 9885), (1977, 9150), (2745, 6590), (3050, 5931), (3295, 5490), (3954, 4575)]