19635228

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 52009776

約数和(自身を除く): 32374548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 246, 251, 318, 369, 477, 492, 502, 636, 738, 753, 954, 1004, 1476, 1506, 1908, 2173, 2259, 3012, 4346, 4518, 6519, 8692, 9036, 10291, 13038, 13303, 19557, 20582, 26076, 26606, 30873, 39114, 39909, 41164, 53212, 61746, 78228, 79818, 92619, 119727, 123492, 159636, 185238, 239454, 370476, 478908, 545423, 1090846, 1636269, 2181692, 3272538, 4908807, 6545076, 9817614, 19635228]

約数ペア:

[(1, 19635228), (2, 9817614), (3, 6545076), (4, 4908807), (6, 3272538), (9, 2181692), (12, 1636269), (18, 1090846), (36, 545423), (41, 478908), (53, 370476), (82, 239454), (106, 185238), (123, 159636), (159, 123492), (164, 119727), (212, 92619), (246, 79818), (251, 78228), (318, 61746), (369, 53212), (477, 41164), (492, 39909), (502, 39114), (636, 30873), (738, 26606), (753, 26076), (954, 20582), (1004, 19557), (1476, 13303), (1506, 13038), (1908, 10291), (2173, 9036), (2259, 8692), (3012, 6519), (4346, 4518)]