19108804970

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 35388039456

約数和(自身を除く): 16279234486

約数列:

[1, 2, 5, 10, 53, 106, 197, 265, 394, 397, 461, 530, 794, 922, 985, 1970, 1985, 2305, 3970, 4610, 10441, 20882, 21041, 24433, 42082, 48866, 52205, 78209, 90817, 104410, 105205, 122165, 156418, 181634, 183017, 210410, 244330, 366034, 391045, 454085, 782090, 908170, 915085, 1830170, 4145077, 4813301, 8290154, 9626602, 9699901, 19399802, 20725385, 24066505, 36054349, 41450770, 48133010, 48499505, 72108698, 96999010, 180271745, 360543490, 1910880497, 3821760994, 9554402485, 19108804970]

約数ペア:

[(1, 19108804970), (2, 9554402485), (5, 3821760994), (10, 1910880497), (53, 360543490), (106, 180271745), (197, 96999010), (265, 72108698), (394, 48499505), (397, 48133010), (461, 41450770), (530, 36054349), (794, 24066505), (922, 20725385), (985, 19399802), (1970, 9699901), (1985, 9626602), (2305, 8290154), (3970, 4813301), (4610, 4145077), (10441, 1830170), (20882, 915085), (21041, 908170), (24433, 782090), (42082, 454085), (48866, 391045), (52205, 366034), (78209, 244330), (90817, 210410), (104410, 183017), (105205, 181634), (122165, 156418)]