17641880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 24694120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 167, 190, 278, 334, 380, 556, 668, 695, 760, 835, 1112, 1336, 1390, 1670, 2641, 2780, 3173, 3340, 5282, 5560, 6346, 6680, 10564, 12692, 13205, 15865, 21128, 23213, 25384, 26410, 31730, 46426, 52820, 63460, 92852, 105640, 116065, 126920, 185704, 232130, 441047, 464260, 882094, 928520, 1764188, 2205235, 3528376, 4410470, 8820940, 17641880]

約数ペア:

[(1, 17641880), (2, 8820940), (4, 4410470), (5, 3528376), (8, 2205235), (10, 1764188), (19, 928520), (20, 882094), (38, 464260), (40, 441047), (76, 232130), (95, 185704), (139, 126920), (152, 116065), (167, 105640), (190, 92852), (278, 63460), (334, 52820), (380, 46426), (556, 31730), (668, 26410), (695, 25384), (760, 23213), (835, 21128), (1112, 15865), (1336, 13205), (1390, 12692), (1670, 10564), (2641, 6680), (2780, 6346), (3173, 5560), (3340, 5282)]