18998070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6959}}^1$

素因数の和:6989

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 37127370

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6959, 13918, 20877, 34795, 41754, 48713, 69590, 90467, 97426, 104385, 146139, 180934, 208770, 243565, 271401, 292278, 452335, 487130, 542802, 633269, 730695, 904670, 1266538, 1357005, 1461390, 1899807, 2714010, 3166345, 3799614, 6332690, 9499035, 18998070]

約数ペア:

[(1, 18998070), (2, 9499035), (3, 6332690), (5, 3799614), (6, 3166345), (7, 2714010), (10, 1899807), (13, 1461390), (14, 1357005), (15, 1266538), (21, 904670), (26, 730695), (30, 633269), (35, 542802), (39, 487130), (42, 452335), (65, 292278), (70, 271401), (78, 243565), (91, 208770), (105, 180934), (130, 146139), (182, 104385), (195, 97426), (210, 90467), (273, 69590), (390, 48713), (455, 41754), (546, 34795), (910, 20877), (1365, 13918), (2730, 6959)]