19449960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 39474840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1487, 1635, 2180, 2616, 2974, 3270, 4360, 4461, 5948, 6540, 7435, 8922, 11896, 13080, 14870, 17844, 22305, 29740, 35688, 44610, 59480, 89220, 162083, 178440, 324166, 486249, 648332, 810415, 972498, 1296664, 1620830, 1944996, 2431245, 3241660, 3889992, 4862490, 6483320, 9724980, 19449960]

約数ペア:

[(1, 19449960), (2, 9724980), (3, 6483320), (4, 4862490), (5, 3889992), (6, 3241660), (8, 2431245), (10, 1944996), (12, 1620830), (15, 1296664), (20, 972498), (24, 810415), (30, 648332), (40, 486249), (60, 324166), (109, 178440), (120, 162083), (218, 89220), (327, 59480), (436, 44610), (545, 35688), (654, 29740), (872, 22305), (1090, 17844), (1308, 14870), (1487, 13080), (1635, 11896), (2180, 8922), (2616, 7435), (2974, 6540), (3270, 5948), (4360, 4461)]