1821151644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{74357}}^1$

素因数の和:74534

約数の個数: 48

約数和(自身を含む): 4605437088

約数和(自身を除く): 2784285444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 942, 1884, 2041, 4082, 6123, 8164, 12246, 24492, 74357, 148714, 223071, 297428, 446142, 892284, 966641, 1933282, 2899923, 3866564, 5799846, 11599692, 11674049, 23348098, 35022147, 46696196, 70044294, 140088588, 151762637, 303525274, 455287911, 607050548, 910575822, 1821151644]

約数ペア:

[(1, 1821151644), (2, 910575822), (3, 607050548), (4, 455287911), (6, 303525274), (12, 151762637), (13, 140088588), (26, 70044294), (39, 46696196), (52, 35022147), (78, 23348098), (156, 11674049), (157, 11599692), (314, 5799846), (471, 3866564), (628, 2899923), (942, 1933282), (1884, 966641), (2041, 892284), (4082, 446142), (6123, 297428), (8164, 223071), (12246, 148714), (24492, 74357)]