19178820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2329

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 40260924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2267, 2820, 4230, 4534, 6801, 8460, 9068, 11335, 13602, 20403, 22670, 27204, 34005, 40806, 45340, 68010, 81612, 102015, 106549, 136020, 204030, 213098, 319647, 408060, 426196, 532745, 639294, 958941, 1065490, 1278588, 1598235, 1917882, 2130980, 3196470, 3835764, 4794705, 6392940, 9589410, 19178820]

約数ペア:

[(1, 19178820), (2, 9589410), (3, 6392940), (4, 4794705), (5, 3835764), (6, 3196470), (9, 2130980), (10, 1917882), (12, 1598235), (15, 1278588), (18, 1065490), (20, 958941), (30, 639294), (36, 532745), (45, 426196), (47, 408060), (60, 319647), (90, 213098), (94, 204030), (141, 136020), (180, 106549), (188, 102015), (235, 81612), (282, 68010), (423, 45340), (470, 40806), (564, 34005), (705, 27204), (846, 22670), (940, 20403), (1410, 13602), (1692, 11335), (2115, 9068), (2267, 8460), (2820, 6801), (4230, 4534)]