19157048690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{5309}}^1$

素因数の和:6047

約数の個数: 64

約数和(自身を含む): 38104305120

約数和(自身を除く): 18947256430

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 677, 1066, 1354, 2665, 3385, 5309, 5330, 6770, 8801, 10618, 17602, 26545, 27757, 44005, 53090, 55514, 69017, 88010, 138034, 138785, 217669, 277570, 345085, 360841, 435338, 690170, 721682, 1088345, 1804205, 2176690, 2829697, 3594193, 3608410, 5659394, 7188386, 14148485, 17970965, 28296970, 35941930, 46724509, 93449018, 147361913, 233622545, 294723826, 467245090, 736809565, 1473619130, 1915704869, 3831409738, 9578524345, 19157048690]

約数ペア:

[(1, 19157048690), (2, 9578524345), (5, 3831409738), (10, 1915704869), (13, 1473619130), (26, 736809565), (41, 467245090), (65, 294723826), (82, 233622545), (130, 147361913), (205, 93449018), (410, 46724509), (533, 35941930), (677, 28296970), (1066, 17970965), (1354, 14148485), (2665, 7188386), (3385, 5659394), (5309, 3608410), (5330, 3594193), (6770, 2829697), (8801, 2176690), (10618, 1804205), (17602, 1088345), (26545, 721682), (27757, 690170), (44005, 435338), (53090, 360841), (55514, 345085), (69017, 277570), (88010, 217669), (138034, 138785)]