19950450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:828

約数の個数: 72

約数和(自身を含む): 53643888

約数和(自身を除く): 33693438

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 787, 845, 975, 1014, 1574, 1690, 1950, 2361, 2535, 3935, 4225, 4722, 5070, 7870, 8450, 10231, 11805, 12675, 19675, 20462, 23610, 25350, 30693, 39350, 51155, 59025, 61386, 102310, 118050, 133003, 153465, 255775, 266006, 306930, 399009, 511550, 665015, 767325, 798018, 1330030, 1534650, 1995045, 3325075, 3990090, 6650150, 9975225, 19950450]

約数ペア:

[(1, 19950450), (2, 9975225), (3, 6650150), (5, 3990090), (6, 3325075), (10, 1995045), (13, 1534650), (15, 1330030), (25, 798018), (26, 767325), (30, 665015), (39, 511550), (50, 399009), (65, 306930), (75, 266006), (78, 255775), (130, 153465), (150, 133003), (169, 118050), (195, 102310), (325, 61386), (338, 59025), (390, 51155), (507, 39350), (650, 30693), (787, 25350), (845, 23610), (975, 20462), (1014, 19675), (1574, 12675), (1690, 11805), (1950, 10231), (2361, 8450), (2535, 7870), (3935, 5070), (4225, 4722)]