19727190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 59282496

約数和(自身を除く): 39555306

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 173, 181, 210, 315, 346, 362, 519, 543, 630, 865, 905, 1038, 1086, 1211, 1267, 1557, 1629, 1730, 1810, 2422, 2534, 2595, 2715, 3114, 3258, 3633, 3801, 5190, 5430, 6055, 6335, 7266, 7602, 7785, 8145, 10899, 11403, 12110, 12670, 15570, 16290, 18165, 19005, 21798, 22806, 31313, 36330, 38010, 54495, 57015, 62626, 93939, 108990, 114030, 156565, 187878, 219191, 281817, 313130, 438382, 469695, 563634, 657573, 939390, 1095955, 1315146, 1409085, 1972719, 2191910, 2818170, 3287865, 3945438, 6575730, 9863595, 19727190]

約数ペア:

[(1, 19727190), (2, 9863595), (3, 6575730), (5, 3945438), (6, 3287865), (7, 2818170), (9, 2191910), (10, 1972719), (14, 1409085), (15, 1315146), (18, 1095955), (21, 939390), (30, 657573), (35, 563634), (42, 469695), (45, 438382), (63, 313130), (70, 281817), (90, 219191), (105, 187878), (126, 156565), (173, 114030), (181, 108990), (210, 93939), (315, 62626), (346, 57015), (362, 54495), (519, 38010), (543, 36330), (630, 31313), (865, 22806), (905, 21798), (1038, 19005), (1086, 18165), (1211, 16290), (1267, 15570), (1557, 12670), (1629, 12110), (1730, 11403), (1810, 10899), (2422, 8145), (2534, 7785), (2595, 7602), (2715, 7266), (3114, 6335), (3258, 6055), (3633, 5430), (3801, 5190)]