19694340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12157}}^1$

素因数の和:12178

約数の個数: 60

約数和(自身を含む): 61786956

約数和(自身を除く): 42092616

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12157, 24314, 36471, 48628, 60785, 72942, 109413, 121570, 145884, 182355, 218826, 243140, 328239, 364710, 437652, 547065, 656478, 729420, 984717, 1094130, 1312956, 1641195, 1969434, 2188260, 3282390, 3938868, 4923585, 6564780, 9847170, 19694340]

約数ペア:

[(1, 19694340), (2, 9847170), (3, 6564780), (4, 4923585), (5, 3938868), (6, 3282390), (9, 2188260), (10, 1969434), (12, 1641195), (15, 1312956), (18, 1094130), (20, 984717), (27, 729420), (30, 656478), (36, 547065), (45, 437652), (54, 364710), (60, 328239), (81, 243140), (90, 218826), (108, 182355), (135, 145884), (162, 121570), (180, 109413), (270, 72942), (324, 60785), (405, 48628), (540, 36471), (810, 24314), (1620, 12157)]