19101180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 63776160

約数和(自身を除く): 44674980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 89, 98, 105, 140, 146, 147, 178, 196, 210, 219, 245, 267, 292, 294, 356, 365, 420, 438, 445, 490, 511, 534, 588, 623, 730, 735, 876, 890, 980, 1022, 1068, 1095, 1246, 1335, 1460, 1470, 1533, 1780, 1869, 2044, 2190, 2492, 2555, 2670, 2940, 3066, 3115, 3577, 3738, 4361, 4380, 5110, 5340, 6132, 6230, 6497, 7154, 7476, 7665, 8722, 9345, 10220, 10731, 12460, 12994, 13083, 14308, 15330, 17444, 17885, 18690, 19491, 21462, 21805, 25988, 26166, 30660, 32485, 35770, 37380, 38982, 42924, 43610, 45479, 52332, 53655, 64970, 65415, 71540, 77964, 87220, 90958, 97455, 107310, 129940, 130830, 136437, 181916, 194910, 214620, 227395, 261660, 272874, 318353, 389820, 454790, 545748, 636706, 682185, 909580, 955059, 1273412, 1364370, 1591765, 1910118, 2728740, 3183530, 3820236, 4775295, 6367060, 9550590, 19101180]

約数ペア:

[(1, 19101180), (2, 9550590), (3, 6367060), (4, 4775295), (5, 3820236), (6, 3183530), (7, 2728740), (10, 1910118), (12, 1591765), (14, 1364370), (15, 1273412), (20, 955059), (21, 909580), (28, 682185), (30, 636706), (35, 545748), (42, 454790), (49, 389820), (60, 318353), (70, 272874), (73, 261660), (84, 227395), (89, 214620), (98, 194910), (105, 181916), (140, 136437), (146, 130830), (147, 129940), (178, 107310), (196, 97455), (210, 90958), (219, 87220), (245, 77964), (267, 71540), (292, 65415), (294, 64970), (356, 53655), (365, 52332), (420, 45479), (438, 43610), (445, 42924), (490, 38982), (511, 37380), (534, 35770), (588, 32485), (623, 30660), (730, 26166), (735, 25988), (876, 21805), (890, 21462), (980, 19491), (1022, 18690), (1068, 17885), (1095, 17444), (1246, 15330), (1335, 14308), (1460, 13083), (1470, 12994), (1533, 12460), (1780, 10731), (1869, 10220), (2044, 9345), (2190, 8722), (2492, 7665), (2555, 7476), (2670, 7154), (2940, 6497), (3066, 6230), (3115, 6132), (3577, 5340), (3738, 5110), (4361, 4380)]