1916171860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 4321013760

約数和(自身を除く): 2404841900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 79, 92, 115, 134, 158, 230, 268, 316, 335, 395, 460, 670, 787, 790, 1340, 1541, 1574, 1580, 1817, 3082, 3148, 3634, 3935, 5293, 6164, 7268, 7705, 7870, 9085, 10586, 15410, 15740, 18101, 18170, 21172, 26465, 30820, 36202, 36340, 52729, 52930, 62173, 72404, 90505, 105458, 105860, 121739, 124346, 181010, 210916, 243478, 248692, 263645, 310865, 362020, 486956, 527290, 608695, 621730, 1054580, 1212767, 1217390, 1243460, 1429979, 2425534, 2434780, 2859958, 4165591, 4851068, 5719916, 6063835, 7149895, 8331182, 12127670, 14299790, 16662364, 20827955, 24255340, 28599580, 41655910, 83311820, 95808593, 191617186, 383234372, 479042965, 958085930, 1916171860]

約数ペア:

[(1, 1916171860), (2, 958085930), (4, 479042965), (5, 383234372), (10, 191617186), (20, 95808593), (23, 83311820), (46, 41655910), (67, 28599580), (79, 24255340), (92, 20827955), (115, 16662364), (134, 14299790), (158, 12127670), (230, 8331182), (268, 7149895), (316, 6063835), (335, 5719916), (395, 4851068), (460, 4165591), (670, 2859958), (787, 2434780), (790, 2425534), (1340, 1429979), (1541, 1243460), (1574, 1217390), (1580, 1212767), (1817, 1054580), (3082, 621730), (3148, 608695), (3634, 527290), (3935, 486956), (5293, 362020), (6164, 310865), (7268, 263645), (7705, 248692), (7870, 243478), (9085, 210916), (10586, 181010), (15410, 124346), (15740, 121739), (18101, 105860), (18170, 105458), (21172, 90505), (26465, 72404), (30820, 62173), (36202, 52930), (36340, 52729)]