19838910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 128

約数和(自身を含む): 60318720

約数和(自身を除く): 40479810

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 169, 182, 195, 210, 215, 258, 273, 301, 338, 390, 430, 455, 507, 546, 559, 602, 645, 845, 903, 910, 1014, 1118, 1183, 1290, 1365, 1505, 1677, 1690, 1806, 2197, 2366, 2535, 2730, 2795, 3010, 3354, 3549, 3913, 4394, 4515, 5070, 5590, 5915, 6591, 7098, 7267, 7826, 8385, 9030, 10985, 11739, 11830, 13182, 14534, 15379, 16770, 17745, 19565, 21801, 21970, 23478, 30758, 32955, 35490, 36335, 39130, 43602, 46137, 50869, 58695, 65910, 72670, 76895, 92274, 94471, 101738, 109005, 117390, 152607, 153790, 188942, 218010, 230685, 254345, 283413, 305214, 461370, 472355, 508690, 566826, 661297, 763035, 944710, 1322594, 1417065, 1526070, 1983891, 2834130, 3306485, 3967782, 6612970, 9919455, 19838910]

約数ペア:

[(1, 19838910), (2, 9919455), (3, 6612970), (5, 3967782), (6, 3306485), (7, 2834130), (10, 1983891), (13, 1526070), (14, 1417065), (15, 1322594), (21, 944710), (26, 763035), (30, 661297), (35, 566826), (39, 508690), (42, 472355), (43, 461370), (65, 305214), (70, 283413), (78, 254345), (86, 230685), (91, 218010), (105, 188942), (129, 153790), (130, 152607), (169, 117390), (182, 109005), (195, 101738), (210, 94471), (215, 92274), (258, 76895), (273, 72670), (301, 65910), (338, 58695), (390, 50869), (430, 46137), (455, 43602), (507, 39130), (546, 36335), (559, 35490), (602, 32955), (645, 30758), (845, 23478), (903, 21970), (910, 21801), (1014, 19565), (1118, 17745), (1183, 16770), (1290, 15379), (1365, 14534), (1505, 13182), (1677, 11830), (1690, 11739), (1806, 10985), (2197, 9030), (2366, 8385), (2535, 7826), (2730, 7267), (2795, 7098), (3010, 6591), (3354, 5915), (3549, 5590), (3913, 5070), (4394, 4515)]