19973340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3051

約数の個数: 72

約数和(自身を含む): 62244000

約数和(自身を除く): 42270660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2999, 3330, 5998, 6660, 8997, 11996, 14995, 17994, 26991, 29990, 35988, 44985, 53982, 59980, 89970, 107964, 110963, 134955, 179940, 221926, 269910, 332889, 443852, 539820, 554815, 665778, 998667, 1109630, 1331556, 1664445, 1997334, 2219260, 3328890, 3994668, 4993335, 6657780, 9986670, 19973340]

約数ペア:

[(1, 19973340), (2, 9986670), (3, 6657780), (4, 4993335), (5, 3994668), (6, 3328890), (9, 2219260), (10, 1997334), (12, 1664445), (15, 1331556), (18, 1109630), (20, 998667), (30, 665778), (36, 554815), (37, 539820), (45, 443852), (60, 332889), (74, 269910), (90, 221926), (111, 179940), (148, 134955), (180, 110963), (185, 107964), (222, 89970), (333, 59980), (370, 53982), (444, 44985), (555, 35988), (666, 29990), (740, 26991), (1110, 17994), (1332, 14995), (1665, 11996), (2220, 8997), (2999, 6660), (3330, 5998)]