19840380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 64275456

約数和(自身を除く): 44435076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 487, 582, 679, 970, 974, 1164, 1358, 1455, 1461, 1940, 1948, 2037, 2435, 2716, 2910, 2922, 3395, 3409, 4074, 4870, 5820, 5844, 6790, 6818, 7305, 8148, 9740, 10185, 10227, 13580, 13636, 14610, 17045, 20370, 20454, 29220, 34090, 40740, 40908, 47239, 51135, 68180, 94478, 102270, 141717, 188956, 204540, 236195, 283434, 330673, 472390, 566868, 661346, 708585, 944780, 992019, 1322692, 1417170, 1653365, 1984038, 2834340, 3306730, 3968076, 4960095, 6613460, 9920190, 19840380]

約数ペア:

[(1, 19840380), (2, 9920190), (3, 6613460), (4, 4960095), (5, 3968076), (6, 3306730), (7, 2834340), (10, 1984038), (12, 1653365), (14, 1417170), (15, 1322692), (20, 992019), (21, 944780), (28, 708585), (30, 661346), (35, 566868), (42, 472390), (60, 330673), (70, 283434), (84, 236195), (97, 204540), (105, 188956), (140, 141717), (194, 102270), (210, 94478), (291, 68180), (388, 51135), (420, 47239), (485, 40908), (487, 40740), (582, 34090), (679, 29220), (970, 20454), (974, 20370), (1164, 17045), (1358, 14610), (1455, 13636), (1461, 13580), (1940, 10227), (1948, 10185), (2037, 9740), (2435, 8148), (2716, 7305), (2910, 6818), (2922, 6790), (3395, 5844), (3409, 5820), (4074, 4870)]