19197810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 52298136

約数和(自身を除く): 33100326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 137, 162, 173, 270, 274, 346, 405, 411, 519, 685, 810, 822, 865, 1038, 1233, 1370, 1557, 1730, 2055, 2466, 2595, 3114, 3699, 4110, 4671, 5190, 6165, 7398, 7785, 9342, 11097, 12330, 14013, 15570, 18495, 22194, 23355, 23701, 28026, 36990, 46710, 47402, 55485, 70065, 71103, 110970, 118505, 140130, 142206, 213309, 237010, 355515, 426618, 639927, 711030, 1066545, 1279854, 1919781, 2133090, 3199635, 3839562, 6399270, 9598905, 19197810]

約数ペア:

[(1, 19197810), (2, 9598905), (3, 6399270), (5, 3839562), (6, 3199635), (9, 2133090), (10, 1919781), (15, 1279854), (18, 1066545), (27, 711030), (30, 639927), (45, 426618), (54, 355515), (81, 237010), (90, 213309), (135, 142206), (137, 140130), (162, 118505), (173, 110970), (270, 71103), (274, 70065), (346, 55485), (405, 47402), (411, 46710), (519, 36990), (685, 28026), (810, 23701), (822, 23355), (865, 22194), (1038, 18495), (1233, 15570), (1370, 14013), (1557, 12330), (1730, 11097), (2055, 9342), (2466, 7785), (2595, 7398), (3114, 6165), (3699, 5190), (4110, 4671)]