19193850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 59105592

約数和(自身を除く): 39911742

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 130, 150, 153, 170, 193, 195, 221, 225, 234, 255, 306, 325, 386, 390, 425, 442, 450, 510, 579, 585, 650, 663, 765, 850, 965, 975, 1105, 1158, 1170, 1275, 1326, 1530, 1737, 1930, 1950, 1989, 2210, 2509, 2550, 2895, 2925, 3281, 3315, 3474, 3825, 3978, 4825, 5018, 5525, 5790, 5850, 6562, 6630, 7527, 7650, 8685, 9650, 9843, 9945, 11050, 12545, 14475, 15054, 16405, 16575, 17370, 19686, 19890, 22581, 25090, 28950, 29529, 32810, 33150, 37635, 42653, 43425, 45162, 49215, 49725, 59058, 62725, 75270, 82025, 85306, 86850, 98430, 99450, 112905, 125450, 127959, 147645, 164050, 188175, 213265, 225810, 246075, 255918, 295290, 376350, 383877, 426530, 492150, 564525, 639795, 738225, 767754, 1066325, 1129050, 1279590, 1476450, 1919385, 2132650, 3198975, 3838770, 6397950, 9596925, 19193850]

約数ペア:

[(1, 19193850), (2, 9596925), (3, 6397950), (5, 3838770), (6, 3198975), (9, 2132650), (10, 1919385), (13, 1476450), (15, 1279590), (17, 1129050), (18, 1066325), (25, 767754), (26, 738225), (30, 639795), (34, 564525), (39, 492150), (45, 426530), (50, 383877), (51, 376350), (65, 295290), (75, 255918), (78, 246075), (85, 225810), (90, 213265), (102, 188175), (117, 164050), (130, 147645), (150, 127959), (153, 125450), (170, 112905), (193, 99450), (195, 98430), (221, 86850), (225, 85306), (234, 82025), (255, 75270), (306, 62725), (325, 59058), (386, 49725), (390, 49215), (425, 45162), (442, 43425), (450, 42653), (510, 37635), (579, 33150), (585, 32810), (650, 29529), (663, 28950), (765, 25090), (850, 22581), (965, 19890), (975, 19686), (1105, 17370), (1158, 16575), (1170, 16405), (1275, 15054), (1326, 14475), (1530, 12545), (1737, 11050), (1930, 9945), (1950, 9843), (1989, 9650), (2210, 8685), (2509, 7650), (2550, 7527), (2895, 6630), (2925, 6562), (3281, 5850), (3315, 5790), (3474, 5525), (3825, 5018), (3978, 4825)]