19608820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 55847232

約数和(自身を除く): 36238412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 107, 110, 119, 140, 154, 170, 187, 196, 214, 220, 238, 245, 308, 340, 374, 385, 428, 476, 490, 535, 539, 595, 748, 749, 770, 833, 935, 980, 1070, 1078, 1177, 1190, 1309, 1498, 1540, 1666, 1819, 1870, 2140, 2156, 2354, 2380, 2618, 2695, 2996, 3332, 3638, 3740, 3745, 4165, 4708, 5236, 5243, 5390, 5885, 6545, 7276, 7490, 8239, 8330, 9095, 9163, 10486, 10780, 11770, 12733, 13090, 14980, 16478, 16660, 18190, 18326, 20009, 20972, 23540, 25466, 26180, 26215, 32956, 36380, 36652, 40018, 41195, 45815, 50932, 52430, 57673, 63665, 80036, 82390, 89131, 91630, 100045, 104860, 115346, 127330, 140063, 164780, 178262, 183260, 200090, 230692, 254660, 280126, 288365, 356524, 400180, 445655, 560252, 576730, 700315, 891310, 980441, 1153460, 1400630, 1782620, 1960882, 2801260, 3921764, 4902205, 9804410, 19608820]

約数ペア:

[(1, 19608820), (2, 9804410), (4, 4902205), (5, 3921764), (7, 2801260), (10, 1960882), (11, 1782620), (14, 1400630), (17, 1153460), (20, 980441), (22, 891310), (28, 700315), (34, 576730), (35, 560252), (44, 445655), (49, 400180), (55, 356524), (68, 288365), (70, 280126), (77, 254660), (85, 230692), (98, 200090), (107, 183260), (110, 178262), (119, 164780), (140, 140063), (154, 127330), (170, 115346), (187, 104860), (196, 100045), (214, 91630), (220, 89131), (238, 82390), (245, 80036), (308, 63665), (340, 57673), (374, 52430), (385, 50932), (428, 45815), (476, 41195), (490, 40018), (535, 36652), (539, 36380), (595, 32956), (748, 26215), (749, 26180), (770, 25466), (833, 23540), (935, 20972), (980, 20009), (1070, 18326), (1078, 18190), (1177, 16660), (1190, 16478), (1309, 14980), (1498, 13090), (1540, 12733), (1666, 11770), (1819, 10780), (1870, 10486), (2140, 9163), (2156, 9095), (2354, 8330), (2380, 8239), (2618, 7490), (2695, 7276), (2996, 6545), (3332, 5885), (3638, 5390), (3740, 5243), (3745, 5236), (4165, 4708)]