19392435

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 35178624

約数和(自身を除く): 15786189

約数列:

[1, 3, 5, 9, 15, 45, 47, 53, 141, 159, 173, 235, 265, 423, 477, 519, 705, 795, 865, 1557, 2115, 2385, 2491, 2595, 7473, 7785, 8131, 9169, 12455, 22419, 24393, 27507, 37365, 40655, 45845, 73179, 82521, 112095, 121965, 137535, 365895, 412605, 430943, 1292829, 2154715, 3878487, 6464145, 19392435]

約数ペア:

[(1, 19392435), (3, 6464145), (5, 3878487), (9, 2154715), (15, 1292829), (45, 430943), (47, 412605), (53, 365895), (141, 137535), (159, 121965), (173, 112095), (235, 82521), (265, 73179), (423, 45845), (477, 40655), (519, 37365), (705, 27507), (795, 24393), (865, 22419), (1557, 12455), (2115, 9169), (2385, 8131), (2491, 7785), (2595, 7473)]