18746650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 19250918

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 151, 191, 302, 325, 382, 650, 755, 955, 1510, 1910, 1963, 2483, 3775, 3926, 4775, 4966, 7550, 9550, 9815, 12415, 19630, 24830, 28841, 49075, 57682, 62075, 98150, 124150, 144205, 288410, 374933, 721025, 749866, 1442050, 1874665, 3749330, 9373325, 18746650]

約数ペア:

[(1, 18746650), (2, 9373325), (5, 3749330), (10, 1874665), (13, 1442050), (25, 749866), (26, 721025), (50, 374933), (65, 288410), (130, 144205), (151, 124150), (191, 98150), (302, 62075), (325, 57682), (382, 49075), (650, 28841), (755, 24830), (955, 19630), (1510, 12415), (1910, 9815), (1963, 9550), (2483, 7550), (3775, 4966), (3926, 4775)]