18954450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 51711348

約数和(自身を除く): 32756898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 146, 150, 219, 225, 365, 438, 450, 577, 657, 730, 1095, 1154, 1314, 1731, 1825, 2190, 2885, 3285, 3462, 3650, 5193, 5475, 5770, 6570, 8655, 10386, 10950, 14425, 16425, 17310, 25965, 28850, 32850, 42121, 43275, 51930, 84242, 86550, 126363, 129825, 210605, 252726, 259650, 379089, 421210, 631815, 758178, 1053025, 1263630, 1895445, 2106050, 3159075, 3790890, 6318150, 9477225, 18954450]

約数ペア:

[(1, 18954450), (2, 9477225), (3, 6318150), (5, 3790890), (6, 3159075), (9, 2106050), (10, 1895445), (15, 1263630), (18, 1053025), (25, 758178), (30, 631815), (45, 421210), (50, 379089), (73, 259650), (75, 252726), (90, 210605), (146, 129825), (150, 126363), (219, 86550), (225, 84242), (365, 51930), (438, 43275), (450, 42121), (577, 32850), (657, 28850), (730, 25965), (1095, 17310), (1154, 16425), (1314, 14425), (1731, 10950), (1825, 10386), (2190, 8655), (2885, 6570), (3285, 5770), (3462, 5475), (3650, 5193)]