19478070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 53056080

約数和(自身を除く): 33578010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 139, 162, 173, 270, 278, 346, 405, 417, 519, 695, 810, 834, 865, 1038, 1251, 1390, 1557, 1730, 2085, 2502, 2595, 3114, 3753, 4170, 4671, 5190, 6255, 7506, 7785, 9342, 11259, 12510, 14013, 15570, 18765, 22518, 23355, 24047, 28026, 37530, 46710, 48094, 56295, 70065, 72141, 112590, 120235, 140130, 144282, 216423, 240470, 360705, 432846, 649269, 721410, 1082115, 1298538, 1947807, 2164230, 3246345, 3895614, 6492690, 9739035, 19478070]

約数ペア:

[(1, 19478070), (2, 9739035), (3, 6492690), (5, 3895614), (6, 3246345), (9, 2164230), (10, 1947807), (15, 1298538), (18, 1082115), (27, 721410), (30, 649269), (45, 432846), (54, 360705), (81, 240470), (90, 216423), (135, 144282), (139, 140130), (162, 120235), (173, 112590), (270, 72141), (278, 70065), (346, 56295), (405, 48094), (417, 46710), (519, 37530), (695, 28026), (810, 24047), (834, 23355), (865, 22518), (1038, 18765), (1251, 15570), (1390, 14013), (1557, 12510), (1730, 11259), (2085, 9342), (2502, 7785), (2595, 7506), (3114, 6255), (3753, 5190), (4170, 4671)]