19250055

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 39204000

約数和(自身を除く): 19953945

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 81, 87, 99, 135, 145, 149, 165, 261, 297, 319, 405, 435, 447, 495, 745, 783, 891, 957, 1305, 1341, 1485, 1595, 1639, 2235, 2349, 2871, 3915, 4023, 4321, 4455, 4785, 4917, 6705, 8195, 8613, 11745, 12069, 12963, 14355, 14751, 20115, 21605, 24585, 25839, 38889, 43065, 44253, 47531, 60345, 64815, 73755, 116667, 129195, 132759, 142593, 194445, 221265, 237655, 350001, 427779, 583335, 663795, 712965, 1283337, 1750005, 2138895, 3850011, 6416685, 19250055]

約数ペア:

[(1, 19250055), (3, 6416685), (5, 3850011), (9, 2138895), (11, 1750005), (15, 1283337), (27, 712965), (29, 663795), (33, 583335), (45, 427779), (55, 350001), (81, 237655), (87, 221265), (99, 194445), (135, 142593), (145, 132759), (149, 129195), (165, 116667), (261, 73755), (297, 64815), (319, 60345), (405, 47531), (435, 44253), (447, 43065), (495, 38889), (745, 25839), (783, 24585), (891, 21605), (957, 20115), (1305, 14751), (1341, 14355), (1485, 12963), (1595, 12069), (1639, 11745), (2235, 8613), (2349, 8195), (2871, 6705), (3915, 4917), (4023, 4785), (4321, 4455)]