19723722920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{38677}}^1$

素因数の和:38779

約数の個数: 128

約数和(自身を含む): 51797577600

約数和(自身を除く): 32073854680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 88, 95, 110, 122, 152, 190, 209, 220, 244, 305, 380, 418, 440, 488, 610, 671, 760, 836, 1045, 1159, 1220, 1342, 1672, 2090, 2318, 2440, 2684, 3355, 4180, 4636, 5368, 5795, 6710, 8360, 9272, 11590, 12749, 13420, 23180, 25498, 26840, 38677, 46360, 50996, 63745, 77354, 101992, 127490, 154708, 193385, 254980, 309416, 386770, 425447, 509960, 734863, 773540, 850894, 1469726, 1547080, 1701788, 2127235, 2359297, 2939452, 3403576, 3674315, 4254470, 4718594, 5878904, 7348630, 8083493, 8508940, 9437188, 11796485, 14697260, 16166986, 17017880, 18874376, 23592970, 25952267, 29394520, 32333972, 40417465, 44826643, 47185940, 51904534, 64667944, 80834930, 89653286, 94371880, 103809068, 129761335, 161669860, 179306572, 207618136, 224133215, 259522670, 323339720, 358613144, 448266430, 493093073, 519045340, 896532860, 986186146, 1038090680, 1793065720, 1972372292, 2465465365, 3944744584, 4930930730, 9861861460, 19723722920]

約数ペア:

[(1, 19723722920), (2, 9861861460), (4, 4930930730), (5, 3944744584), (8, 2465465365), (10, 1972372292), (11, 1793065720), (19, 1038090680), (20, 986186146), (22, 896532860), (38, 519045340), (40, 493093073), (44, 448266430), (55, 358613144), (61, 323339720), (76, 259522670), (88, 224133215), (95, 207618136), (110, 179306572), (122, 161669860), (152, 129761335), (190, 103809068), (209, 94371880), (220, 89653286), (244, 80834930), (305, 64667944), (380, 51904534), (418, 47185940), (440, 44826643), (488, 40417465), (610, 32333972), (671, 29394520), (760, 25952267), (836, 23592970), (1045, 18874376), (1159, 17017880), (1220, 16166986), (1342, 14697260), (1672, 11796485), (2090, 9437188), (2318, 8508940), (2440, 8083493), (2684, 7348630), (3355, 5878904), (4180, 4718594), (4636, 4254470), (5368, 3674315), (5795, 3403576), (6710, 2939452), (8360, 2359297), (9272, 2127235), (11590, 1701788), (12749, 1547080), (13420, 1469726), (23180, 850894), (25498, 773540), (26840, 734863), (38677, 509960), (46360, 425447), (50996, 386770), (63745, 309416), (77354, 254980), (101992, 193385), (127490, 154708)]