18711650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 18410974

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 106, 115, 230, 265, 307, 530, 575, 614, 1150, 1219, 1325, 1535, 2438, 2650, 3070, 6095, 7061, 7675, 12190, 14122, 15350, 16271, 30475, 32542, 35305, 60950, 70610, 81355, 162710, 176525, 353050, 374233, 406775, 748466, 813550, 1871165, 3742330, 9355825, 18711650]

約数ペア:

[(1, 18711650), (2, 9355825), (5, 3742330), (10, 1871165), (23, 813550), (25, 748466), (46, 406775), (50, 374233), (53, 353050), (106, 176525), (115, 162710), (230, 81355), (265, 70610), (307, 60950), (530, 35305), (575, 32542), (614, 30475), (1150, 16271), (1219, 15350), (1325, 14122), (1535, 12190), (2438, 7675), (2650, 7061), (3070, 6095)]