17961488980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241873}}^1$

素因数の和:242008

約数の個数: 48

約数和(自身を含む): 39009438720

約数和(自身を除く): 21047949740

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 470, 790, 940, 1580, 3713, 7426, 14852, 18565, 37130, 74260, 241873, 483746, 967492, 1209365, 2418730, 4837460, 11368031, 19107967, 22736062, 38215934, 45472124, 56840155, 76431868, 95539835, 113680310, 191079670, 227360620, 382159340, 898074449, 1796148898, 3592297796, 4490372245, 8980744490, 17961488980]

約数ペア:

[(1, 17961488980), (2, 8980744490), (4, 4490372245), (5, 3592297796), (10, 1796148898), (20, 898074449), (47, 382159340), (79, 227360620), (94, 191079670), (158, 113680310), (188, 95539835), (235, 76431868), (316, 56840155), (395, 45472124), (470, 38215934), (790, 22736062), (940, 19107967), (1580, 11368031), (3713, 4837460), (7426, 2418730), (14852, 1209365), (18565, 967492), (37130, 483746), (74260, 241873)]