19187028

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 57575700

約数和(自身を除く): 38388672

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 149, 196, 219, 252, 292, 294, 298, 438, 441, 447, 511, 588, 596, 657, 876, 882, 894, 1022, 1043, 1314, 1341, 1533, 1764, 1788, 2044, 2086, 2628, 2682, 3066, 3129, 3577, 4172, 4599, 5364, 6132, 6258, 7154, 7301, 9198, 9387, 10731, 10877, 12516, 14308, 14602, 18396, 18774, 21462, 21754, 21903, 29204, 32193, 32631, 37548, 42924, 43508, 43806, 64386, 65262, 65709, 76139, 87612, 97893, 128772, 130524, 131418, 152278, 195786, 228417, 262836, 304556, 391572, 456834, 532973, 685251, 913668, 1065946, 1370502, 1598919, 2131892, 2741004, 3197838, 4796757, 6395676, 9593514, 19187028]

約数ペア:

[(1, 19187028), (2, 9593514), (3, 6395676), (4, 4796757), (6, 3197838), (7, 2741004), (9, 2131892), (12, 1598919), (14, 1370502), (18, 1065946), (21, 913668), (28, 685251), (36, 532973), (42, 456834), (49, 391572), (63, 304556), (73, 262836), (84, 228417), (98, 195786), (126, 152278), (146, 131418), (147, 130524), (149, 128772), (196, 97893), (219, 87612), (252, 76139), (292, 65709), (294, 65262), (298, 64386), (438, 43806), (441, 43508), (447, 42924), (511, 37548), (588, 32631), (596, 32193), (657, 29204), (876, 21903), (882, 21754), (894, 21462), (1022, 18774), (1043, 18396), (1314, 14602), (1341, 14308), (1533, 12516), (1764, 10877), (1788, 10731), (2044, 9387), (2086, 9198), (2628, 7301), (2682, 7154), (3066, 6258), (3129, 6132), (3577, 5364), (4172, 4599)]