19692585

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 19187415

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 89, 99, 135, 149, 165, 267, 297, 445, 447, 495, 745, 801, 979, 1335, 1341, 1485, 1639, 2235, 2403, 2937, 4005, 4023, 4895, 4917, 6705, 8195, 8811, 12015, 13261, 14685, 14751, 20115, 24585, 26433, 39783, 44055, 44253, 66305, 73755, 119349, 132165, 145871, 198915, 221265, 358047, 437613, 596745, 729355, 1312839, 1790235, 2188065, 3938517, 6564195, 19692585]

約数ペア:

[(1, 19692585), (3, 6564195), (5, 3938517), (9, 2188065), (11, 1790235), (15, 1312839), (27, 729355), (33, 596745), (45, 437613), (55, 358047), (89, 221265), (99, 198915), (135, 145871), (149, 132165), (165, 119349), (267, 73755), (297, 66305), (445, 44253), (447, 44055), (495, 39783), (745, 26433), (801, 24585), (979, 20115), (1335, 14751), (1341, 14685), (1485, 13261), (1639, 12015), (2235, 8811), (2403, 8195), (2937, 6705), (4005, 4917), (4023, 4895)]