19103616420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{640631}}^1$

素因数の和:640721

約数の個数: 96

約数和(自身を含む): 61992677376

約数和(自身を除く): 42889060956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 7455, 9940, 14910, 29820, 640631, 1281262, 1921893, 2562524, 3203155, 3843786, 4484417, 6406310, 7687572, 8968834, 9609465, 12812620, 13453251, 17937668, 19218930, 22422085, 26906502, 38437860, 44844170, 45484801, 53813004, 67266255, 89688340, 90969602, 134532510, 136454403, 181939204, 227424005, 269065020, 272908806, 318393607, 454848010, 545817612, 636787214, 682272015, 909696020, 955180821, 1273574428, 1364544030, 1591968035, 1910361642, 2729088060, 3183936070, 3820723284, 4775904105, 6367872140, 9551808210, 19103616420]

約数ペア:

[(1, 19103616420), (2, 9551808210), (3, 6367872140), (4, 4775904105), (5, 3820723284), (6, 3183936070), (7, 2729088060), (10, 1910361642), (12, 1591968035), (14, 1364544030), (15, 1273574428), (20, 955180821), (21, 909696020), (28, 682272015), (30, 636787214), (35, 545817612), (42, 454848010), (60, 318393607), (70, 272908806), (71, 269065020), (84, 227424005), (105, 181939204), (140, 136454403), (142, 134532510), (210, 90969602), (213, 89688340), (284, 67266255), (355, 53813004), (420, 45484801), (426, 44844170), (497, 38437860), (710, 26906502), (852, 22422085), (994, 19218930), (1065, 17937668), (1420, 13453251), (1491, 12812620), (1988, 9609465), (2130, 8968834), (2485, 7687572), (2982, 6406310), (4260, 4484417), (4970, 3843786), (5964, 3203155), (7455, 2562524), (9940, 1921893), (14910, 1281262), (29820, 640631)]