18342972

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 48799296

約数和(自身を除く): 30456324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 293, 333, 423, 444, 564, 586, 666, 846, 879, 1172, 1332, 1692, 1739, 1758, 2637, 3478, 3516, 5217, 5274, 6956, 10434, 10548, 10841, 13771, 15651, 20868, 21682, 27542, 31302, 32523, 41313, 43364, 55084, 62604, 65046, 82626, 97569, 123939, 130092, 165252, 195138, 247878, 390276, 495756, 509527, 1019054, 1528581, 2038108, 3057162, 4585743, 6114324, 9171486, 18342972]

約数ペア:

[(1, 18342972), (2, 9171486), (3, 6114324), (4, 4585743), (6, 3057162), (9, 2038108), (12, 1528581), (18, 1019054), (36, 509527), (37, 495756), (47, 390276), (74, 247878), (94, 195138), (111, 165252), (141, 130092), (148, 123939), (188, 97569), (222, 82626), (282, 65046), (293, 62604), (333, 55084), (423, 43364), (444, 41313), (564, 32523), (586, 31302), (666, 27542), (846, 21682), (879, 20868), (1172, 15651), (1332, 13771), (1692, 10841), (1739, 10548), (1758, 10434), (2637, 6956), (3478, 5274), (3516, 5217)]